CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
PROJECT(pims-ipc C)
-#IF("${CMAKE_BUILD_TYPE}" STREQUAL "")
-# SET(CMAKE_BUILD_TYPE "Release")
-#ENDIF("${CMAKE_BUILD_TYPE}" STREQUAL "")
-#MESSAGE("Build type: ${CMAKE_BUILD_TYPE}")
-#SET(CMAKE_BUILD_TYPE "Debug")
-
-SET(DEST_INCLUDE_DIR "include/pims-ipc")
-SET(SRC_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/include")
-
-SET(PREFIX ${CMAKE_INSTALL_PREFIX})
-SET(EXEC_PREFIX "\${prefix}")
-
-SET(INCLUDEDIR "\${prefix}/${DEST_INCLUDE_DIR}")
-SET(VERSION_MAJOR 0)
-SET(VERSION "${VERSION_MAJOR}.1.6")
-
-INCLUDE_DIRECTORIES(${SRC_INCLUDE_DIR})
-SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -I${CMAKE_SOURCE_DIR}/src -I${SRC_INCLUDE_DIR}")
-
-FILE(GLOB SRCS src/*.c)
+INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include)
INCLUDE(FindPkgConfig)
-pkg_check_modules(pkgs REQUIRED glib-2.0 gthread-2.0 dlog libsystemd-daemon)
-
-FOREACH(flag ${pkgs_CFLAGS})
- SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
-ENDFOREACH(flag)
+pkg_check_modules(pkgs REQUIRED glib-2.0 dlog libsystemd vasum aul)
+INCLUDE_DIRECTORIES(${pkgs_INCLUDE_DIRS})
+LINK_DIRECTORIES(${pkgs_LIBRARY_DIRS})
-SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden")
+SET(EXTRA_CFLAGS "-Wall -Werror-implicit-function-declaration -fvisibility=hidden")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
-SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} -fPIC")
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CFLAGS} -Wall -g -fPIC -std=c++0x")
-
-ADD_DEFINITIONS("-DPREFIX=\"${PREFIX}\"")
+FILE(GLOB SRCS src/*.c)
ADD_LIBRARY(${PROJECT_NAME} SHARED ${SRCS})
-SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES SOVERSION ${VERSION_MAJOR})
-SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES VERSION ${VERSION})
-TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${pkgs_LDFLAGS})
+TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${pkgs_LDFLAGS} pthread)
+SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES VERSION ${FULLVER} SOVERSION ${MAJORVER})
+INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR})
+SET(PREFIX ${CMAKE_INSTALL_PREFIX})
CONFIGURE_FILE(${PROJECT_NAME}.pc.in ${PROJECT_NAME}.pc @ONLY)
-CONFIGURE_FILE(${PROJECT_NAME}.manifest.in ${PROJECT_NAME}.manifest @ONLY)
-SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${PROJECT_NAME}.pc")
-
-INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIB_INSTALL_DIR})
INSTALL(FILES ${PROJECT_NAME}.pc DESTINATION ${LIB_INSTALL_DIR}/pkgconfig)
-FILE(GLOB HEADER_FILES ${SRC_INCLUDE_DIR}/*.h)
-INSTALL(FILES ${HEADER_FILES} DESTINATION ${DEST_INCLUDE_DIR})
-
+FILE(GLOB HEADER_FILES include/*.h)
+INSTALL(FILES ${HEADER_FILES} DESTINATION ${INCLUDE_INSTALL_DIR}/${PROJECT_NAME})
int pims_ipc_svc_init_for_publish(char *service, gid_t group, mode_t mode);
int pims_ipc_svc_deinit_for_publish(void);
int pims_ipc_svc_publish(char *module, char *event, pims_ipc_data_h data);
+int pims_ipc_svc_publish_for_zone(const char *zone_name, char *module, char *event, pims_ipc_data_h data);
void pims_ipc_svc_run_main_loop(GMainLoop* main_loop);
pims_ipc_data_h *data_out);
int pims_ipc_call_async(pims_ipc_h ipc, char *module, char *function, pims_ipc_data_h data_in,
pims_ipc_call_async_cb callback, void *userdata);
-bool pims_ipc_is_call_in_progress(pims_ipc_h ipc);
+int pims_ipc_is_call_in_progress(pims_ipc_h ipc);
pims_ipc_h pims_ipc_create_for_subscribe(char *service);
void pims_ipc_destroy_for_subscribe(pims_ipc_h ipc);
int pims_ipc_subscribe(pims_ipc_h ipc, char *module, char *event, pims_ipc_subscribe_cb callback, void *userdata);
int pims_ipc_unsubscribe(pims_ipc_h ipc, char *module, char *event);
-int pims_ipc_set_server_disconnected_cb(pims_ipc_server_disconnected_cb callback, void *user_data);
-int pims_ipc_unset_server_disconnected_cb();
+int pims_ipc_add_server_disconnected_cb(pims_ipc_h ipc, pims_ipc_server_disconnected_cb callback, void *user_data);
+int pims_ipc_remove_server_disconnected_cb(pims_ipc_h ipc);
+
+/* start deprecated */
+int pims_ipc_set_server_disconnected_cb(pims_ipc_server_disconnected_cb callback, void *user_data); /* use pims_ipc_add_server_disconnected_cb */
+int pims_ipc_unset_server_disconnected_cb(); /* use pims_ipc_remove_server_disconnected_cb */
+/* end deprecated */
#ifdef __cplusplus
Name: pims-ipc
Summary: library for PIMs IPC
-Version: 0.1.9
+Version: 0.1.20
Release: 1
Group: System/Libraries
License: Apache-2.0
Source0: %{name}-%{version}.tar.gz
-
BuildRequires: cmake
BuildRequires: pkgconfig(glib-2.0)
BuildRequires: pkgconfig(dlog)
BuildRequires: pkgconfig(libsystemd-daemon)
+BuildRequires: pkgconfig(vasum)
+BuildRequires: pkgconfig(aul)
+
+%if "%{?tizen_profile_name}" == "tv" && 0%{?tizen_version_major} < 3
+ExcludeArch: %{arm} %ix86 x86_64
+%endif
%description
library for PIMs IPC
%package devel
Summary: DB library for calendar
Group: Development/Libraries
-Requires: %{name} = %{version}-%{release}
+Requires: %{name} = %{version}
%description devel
library for PIMs IPC (developement files)
+
%prep
%setup -q
%build
+%if 0%{?tizen_build_binary_release_type_eng}
export CFLAGS="$CFLAGS -DTIZEN_DEBUG_ENABLE"
export CXXFLAGS="$CXXFLAGS -DTIZEN_DEBUG_ENABLE"
export FFLAGS="$FFLAGS -DTIZEN_DEBUG_ENABLE"
-%cmake .
-make %{?jobs:-j%jobs}
+%endif
+
+MAJORVER=`echo %{version} | awk 'BEGIN {FS="."}{print $1}'`
+%cmake . -DMAJORVER=${MAJORVER} -DFULLVER=%{version}
%install
%make_install
-mkdir -p %{buildroot}/usr/share/license
-cp LICENSE.APLv2 %{buildroot}/usr/share/license/%{name}
+
+%if 0%{?tizen_version_major} < 3
+mkdir -p %{buildroot}/%{_datadir}/license
+cp LICENSE.APLv2 %{buildroot}/%{_datadir}/license/%{name}
+%endif
%post -p /sbin/ldconfig
%files
%manifest pims-ipc.manifest
%defattr(-,root,root,-)
-%{_libdir}/libpims-ipc.so.*
-/usr/share/license/%{name}
+%{_libdir}/lib%{name}.so.*
+%if 0%{?tizen_version_major} < 3
+%{_datadir}/license/%{name}
+%else
+%license LICENSE.APLv2
+%endif
%files devel
%defattr(-,root,root,-)
-%{_includedir}/pims-ipc/*.h
-%{_libdir}/*.so
-%{_libdir}/pkgconfig/pims-ipc.pc
+%{_includedir}/%{name}/*.h
+%{_libdir}/lib%{name}.so
+%{_libdir}/pkgconfig/%{name}.pc
-# Package Information for pkg-config
-
prefix=@PREFIX@
-exec_prefix=@EXEC_PREFIX@
+exec_prefix=${prefix}/bin
libdir=@LIB_INSTALL_DIR@
-includedir=@INCLUDE_INSTALL_DIR@/pims-ipc
+includedir=@INCLUDE_INSTALL_DIR@/@PROJECT_NAME@
Name: @PROJECT_NAME@
Description: @PROJECT_NAME@ library
-Version: @VERSION@
+Version: @FULLVER@
Requires: glib-2.0
Libs: -L${libdir} -l@PROJECT_NAME@
Cflags: -I${includedir}
#include <assert.h>
-#define LOG_TAG "PIMS_IPC"
+#define LOG_TAG "PIMS_IPC"
#include <dlog.h>
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-#define PIMS_VERBOSE_TAG(frmt, args...) SLOGV(frmt, ##args);
-#define PIMS_DEBUG_TAG(frmt, args...) SLOGD(frmt, ##args);
-#define PIMS_INFO_TAG(frmt, args...) SLOGI(frmt, ##args);
-#define PIMS_WARN_TAG(frmt, args...) SLOGV(frmt, ##args);
-#define PIMS_ERROR_TAG(frmt, args...) SLOGE(frmt, ##args);
+//#define VERBOSE(frmt, args...) SLOGV(frmt, ##args)
+#define VERBOSE(frmt, args...)
+#define DBG(frmt, args...) SLOGD(frmt, ##args)
+#define INFO(frmt, args...) SLOGI(frmt, ##args)
+#define WARN(frmt, args...) SLOGV(frmt, ##args)
+#define ERR(frmt, args...) SLOGE(frmt, ##args)
-#define ENTER() PIMS_DEBUG_TAG(">>>>>>>> called")
-#define LEAVE() PIMS_DEBUG_TAG("<<<<<<<< ended")
+#define FN_CALL() DBG(">>>>>>>> called")
+#define FN_END() DBG("<<<<<<<< ended")
-//#define VERBOSE(frmt, args...) PIMS_VERBOSE_TAG(frmt, ##args)
-#define VERBOSE(frmt, args...)
-#define DEBUG(frmt, args...) PIMS_DEBUG_TAG(frmt, ##args)
-#define INFO(frmt, args...) PIMS_INFO_TAG(frmt, ##args)
-#define WARNING(frmt, args...) PIMS_WARN_TAG(frmt, ##args)
-#define ERROR(frmt, args...) PIMS_ERROR_TAG(frmt, ##args)
+#define RET_IF(expr) do { \
+ if (expr) { \
+ ERR("(%s)", #expr); \
+ return; \
+ } \
+} while (0)
+#define RETV_IF(expr, val) do { \
+ if (expr) { \
+ ERR("(%s)", #expr); \
+ return (val); \
+ } \
+} while (0)
+#define RETM_IF(expr, fmt, arg...) do { \
+ if (expr) { \
+ ERR(fmt, ##arg); \
+ return; \
+ } \
+} while (0)
+#define RETVM_IF(expr, val, fmt, arg...) do { \
+ if (expr) { \
+ ERR(fmt, ##arg); \
+ return (val); \
+ } \
+} while (0)
#define WARN_IF(expr, fmt, arg...) do { \
if (expr) { \
- ERROR(fmt, ##arg); \
+ ERR(fmt, ##arg); \
} \
} while (0)
#define ASSERT(expr) \
if (!(expr)) \
{ \
- ERROR("Assertion %s", #expr); \
+ ERR("Assertion %s", #expr); \
} \
assert(expr)
-#ifdef __cplusplus
-}
-#endif
-
#endif /* __PIMS_DEBUG_H__ */
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
-
#ifndef __PIMS_INTERNAL_H__
#define __PIMS_INTERNAL_H__
+#include <glib.h>
+
+#include "pims-debug.h"
+
+
#ifdef __cplusplus
extern "C"
{
unsigned int free_size;
char *pos;
char *buf;
- int flags;
unsigned int created:1;
unsigned int buf_alloced:1;
} pims_ipc_data_s;
+gboolean svc_map_client_worker(gpointer user_data);
+
#ifdef __cplusplus
}
#endif
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
-
#ifndef __PIMS_IPC_DATA_INTERNAL_H__
#define __PIMS_IPC_DATA_INTERNAL_H__
+#include <pthread.h>
+
#include <pims-ipc-types.h>
#ifdef __cplusplus
pims_ipc_data_h pims_ipc_data_steal_unmarshal(void *buf, unsigned int size);
+typedef struct {
+ char *service;
+ gid_t group;
+ mode_t mode;
+
+ // Global socket info and epoll thread
+ int sockfd;
+
+ GHashTable *client_worker_map; // key : client_id, value: worker_data
+ GList *client_id_fd_map; // pims_ipc_client_map_s = client_id:client_fd
+
+ int workers_max_count;
+
+ pthread_mutex_t manager_list_hangup_mutex;
+ GList *manager_list_hangup;
+} pims_ipc_svc_s;
+
+typedef struct{
+ char *client_id;
+ unsigned int client_id_len;
+ unsigned int seq_no;
+ char *call_id;
+ unsigned int call_id_len;
+ unsigned int has_data;
+ unsigned int data_len;
+ char *data;
+}pims_ipc_raw_data_s;
+
+
+typedef struct {
+ int fd;
+ int client_fd;
+ int stop_thread;
+ GList *list; // pims_ipc_raw_data_s list
+ pthread_mutex_t queue_mutex;
+ pthread_mutex_t ready_mutex;
+ pthread_cond_t ready;
+} pims_ipc_worker_data_s;
+
#ifdef __cplusplus
}
#endif
#include <glib.h>
#include "pims-internal.h"
-#include "pims-debug.h"
#include "pims-ipc-data.h"
/*
- Structure of data with type(4 bytes order)
- +------------------------------------------------------------------+
- | type | size | data | pad | type | size | data | pad |
- +------------------------------------------------------------------+
- 4 4 size 0-3 (Size of bytes)
-
- Structure of data without type(4 bytes order)
- +----------------------------------------------------+
- | size | data | pad | size | data | pad |
- +----------------------------------------------------+
- 4 size 0-3 (Size of bytes)
- */
+ Structure of data with type(4 bytes order)
+ +------------------------------------------------------------------+
+ | type | size | data | pad | type | size | data | pad |
+ +------------------------------------------------------------------+
+ 4 4 size 0-3 (Size of bytes)
+
+ Structure of data without type(4 bytes order)
+ +----------------------------------------------------+
+ | size | data | pad | size | data | pad |
+ +----------------------------------------------------+
+ 4 size 0-3 (Size of bytes)
+ */
#define _get_used_size_with_type(data_size) \
(sizeof(int) + sizeof(int) + data_size + ((sizeof(int) - (data_size % sizeof(int)))%sizeof(int)))
API pims_ipc_data_h pims_ipc_data_create_with_size(unsigned int size, int flags)
{
- // ENTER();
+ // FN_CALL();
int ret = -1;
pims_ipc_data_s *handle = NULL;
handle = calloc(1, sizeof(pims_ipc_data_s));
if (NULL == handle) {
- ERROR("calloc() Fail");
+ ERR("calloc() Fail");
+ return NULL;
+ }
+
+ if (flags & PIMS_IPC_DATA_FLAGS_WITH_TYPE) {
+ ERR("Not supported with-type mode");
+ free(handle);
return NULL;
}
+
handle->alloc_size = size;
handle->free_size = size;
handle->buf_size = 0;
handle->created = 1;
handle->buf_alloced = 1;
- ret = pims_ipc_data_put(handle, &flags, sizeof(int));
-
- ASSERT(ret == 0);
- handle->flags = flags;
-
return handle;
}
API void pims_ipc_data_destroy(pims_ipc_data_h data)
{
- // ENTER();
- pims_ipc_data_s *handle = (pims_ipc_data_s *)data;
- if (!handle)
+ // FN_CALL();
+ pims_ipc_data_s *handle = data;
+ if (NULL == handle)
return;
if (handle->buf_alloced)
API int pims_ipc_data_put(pims_ipc_data_h data, void *buf, unsigned int size)
{
- // ENTER();
- pims_ipc_data_s *handle = NULL;
+ // FN_CALL();
+ pims_ipc_data_s *handle = data;
unsigned int dsize = size;
unsigned int used_size = 0;
- handle = (pims_ipc_data_s *)data;
if (handle->created == 0) {
- ERROR("This handle isn't create mode.");
- return -1;
- }
-
- if (handle->flags & PIMS_IPC_DATA_FLAGS_WITH_TYPE) {
- ERROR("Not without-type mode");
+ ERR("This handle isn't create mode.");
return -1;
}
if (dsize > 0 && buf == NULL) {
- ERROR("Invalid argument");
+ ERR("Invalid argument");
return -1;
}
API void* pims_ipc_data_get(pims_ipc_data_h data, unsigned int *size)
{
- // ENTER();
- pims_ipc_data_s *handle = NULL;
+ // FN_CALL();
+ pims_ipc_data_s *handle = data;
unsigned int dsize = 0;
unsigned int used_size = 0;
void *buf = NULL;
- handle = (pims_ipc_data_s *)data;
if (handle->created == 1) {
- ERROR("This handle is create mode.");
+ ERR("This handle is create mode.");
return NULL;
}
if (handle->buf_size == 0) {
- ERROR("Remain buffer size is 0.");
- return NULL;
- }
- if (handle->flags & PIMS_IPC_DATA_FLAGS_WITH_TYPE) {
- ERROR("Not without-type mode");
+ ERR("Remain buffer size is 0.");
return NULL;
}
pims_ipc_data_h pims_ipc_data_steal_unmarshal(void *buf, unsigned int size)
{
- // ENTER();
+ // FN_CALL();
void *ptr = NULL;
pims_ipc_data_s *handle = NULL;
VERBOSE("size : %d", size);
handle = calloc(1, sizeof(pims_ipc_data_s));
if (NULL == handle) {
- ERROR("calloc() Fail");
+ ERR("calloc() handle Fail");
+ return NULL;
+ }
+ handle->buf = calloc(1, size+1);
+ if (NULL == handle->buf ) {
+ ERR("calloc() buf Fail");
+ free(handle);
return NULL;
}
+ memcpy(handle->buf, buf, size);
+
handle->alloc_size = size;
handle->free_size = 0;
handle->buf_size = handle->alloc_size;
- handle->buf = buf;
handle->pos = handle->buf;
handle->created = 0;
handle->buf_alloced = 1;
- ptr = pims_ipc_data_get(handle, &size);
- if (!ptr || size != sizeof(int)) {
- ERROR("pims_ipc_data_get : error");
- free(handle->buf);
- free(handle);
- return NULL;
- }
- handle->flags = *((int*)ptr);
-
- VERBOSE("handle[%p] flags[%x]", handle, handle->flags);
+ VERBOSE("handle[%p]", handle);
return handle;
}
--- /dev/null
+/*
+ * PIMS IPC
+ *
+ * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <fcntl.h>
+#include <strings.h>
+#include <sys/stat.h>
+#include <sys/un.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/epoll.h> // epoll
+
+#include <glib.h>
+
+#include "pims-internal.h"
+#include "pims-ipc-data-internal.h"
+#include "pims-ipc-utils.h"
+#include "pims-socket.h"
+#include "pims-ipc-pubsub.h"
+
+typedef struct {
+ char *service;
+ gid_t group;
+ mode_t mode;
+
+ int publish_sockfd;
+ int epoll_stop_thread;
+ pthread_mutex_t subscribe_fds_mutex;
+ GList *subscribe_fds; // client fd list
+} pims_ipc_svc_for_publish_s;
+
+static pims_ipc_svc_for_publish_s *_g_singleton_for_publish = NULL;
+
+static void __stop_for_publish(pims_ipc_svc_for_publish_s *ipc_svc)
+{
+ ipc_svc->epoll_stop_thread = TRUE;
+}
+
+static void* __publish_loop(void *user_data)
+{
+ int ret;
+ int epfd;
+ struct sockaddr_un addr;
+ struct epoll_event ev = {0};
+ pims_ipc_svc_for_publish_s *ipc_svc = user_data;
+
+ unlink(ipc_svc->service);
+ ipc_svc->publish_sockfd = socket(PF_UNIX, SOCK_STREAM, 0);
+ if (ipc_svc->publish_sockfd < 0) {
+ ERR("socket() Fail");
+ return NULL;
+ }
+
+ bzero(&addr, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", ipc_svc->service);
+
+ int flags = fcntl(ipc_svc->publish_sockfd, F_GETFL, 0);
+ if (flags == -1)
+ flags = 0;
+ ret = fcntl(ipc_svc->publish_sockfd, F_SETFL, flags | O_NONBLOCK);
+ if (ret < 0)
+ ERR("fcntl() Fail(%d:%d)", ret, errno);
+ VERBOSE("publish socketfd fcntl : %d\n", ret);
+
+ ret = bind(ipc_svc->publish_sockfd, (struct sockaddr *)&addr, sizeof(addr));
+ if (ret != 0)
+ ERR("bind() Fail(%d)", ret);
+ ret = listen(ipc_svc->publish_sockfd, 30);
+ WARN_IF(ret != 0, "listen() Fail(%d)", ret);
+
+ ret = chown(ipc_svc->service, getuid(), ipc_svc->group);
+ WARN_IF(ret != 0, "chown() Fail(%d)", ret);
+ ret = chmod(ipc_svc->service, ipc_svc->mode);
+ WARN_IF(ret != 0, "chmod() Fail(%d)", ret);
+
+ epfd = epoll_create(MAX_EPOLL_EVENT);
+
+ ev.events = EPOLLIN | EPOLLHUP;
+ ev.data.fd = ipc_svc->publish_sockfd;
+
+ ret = epoll_ctl(epfd, EPOLL_CTL_ADD, ipc_svc->publish_sockfd, &ev);
+ WARN_IF(ret != 0, "epoll_ctl() Fail(%d)", ret);
+
+ while (!ipc_svc->epoll_stop_thread) {
+ int i = 0;
+ struct epoll_event events[MAX_EPOLL_EVENT] = {{0}, };
+ int event_num = epoll_wait(epfd, events, MAX_EPOLL_EVENT, -1);
+
+ if (ipc_svc->epoll_stop_thread)
+ break;
+
+ if (event_num == -1) {
+ if (errno != EINTR) {
+ ERR("errno:%d\n", errno);
+ break;
+ }
+ }
+
+ for (i = 0; i < event_num; i++) {
+ int event_fd = events[i].data.fd;
+
+ if (events[i].events & EPOLLHUP) {
+ VERBOSE("client closed ----------------------------------:%d", event_fd);
+ if (epoll_ctl(epfd, EPOLL_CTL_DEL, event_fd, events) == -1) {
+ ERR("epoll_ctl(EPOLL_CTL_DEL) Fail(%d)", errno);
+ }
+ close(event_fd);
+
+ // Find client_id and delete
+ GList *cursor = NULL;
+
+ pthread_mutex_lock(&ipc_svc->subscribe_fds_mutex);
+ cursor = g_list_first(ipc_svc->subscribe_fds);
+ while (cursor) {
+ if (event_fd == (int)cursor->data) {
+ ipc_svc->subscribe_fds = g_list_delete_link(ipc_svc->subscribe_fds, cursor);
+ break;
+ }
+ cursor = g_list_next(cursor);
+ }
+ pthread_mutex_unlock(&ipc_svc->subscribe_fds_mutex);
+ continue;
+ }
+ else if (event_fd == ipc_svc->publish_sockfd) { // connect client
+ struct sockaddr_un remote;
+ socklen_t remote_len = sizeof(remote);
+ int client_fd = accept(ipc_svc->publish_sockfd, (struct sockaddr *)&remote, &remote_len);
+ if (client_fd == -1) {
+ ERR("accept() Fail(%d)", errno);
+ continue;
+ }
+ VERBOSE("client subscriber connect: %d", client_fd);
+
+ pthread_mutex_lock(&ipc_svc->subscribe_fds_mutex);
+ ipc_svc->subscribe_fds = g_list_append(ipc_svc->subscribe_fds, GINT_TO_POINTER(client_fd));
+ pthread_mutex_unlock(&ipc_svc->subscribe_fds_mutex);
+
+ ev.events = EPOLLIN;
+ ev.data.fd = client_fd;
+ if (epoll_ctl(epfd, EPOLL_CTL_ADD, client_fd, &ev) == -1) {
+ ERR("epoll_ctl(EPOLL_CTL_ADD) Fail(%d)", errno);
+ continue;
+ }
+ }
+ }
+ }
+
+ close(ipc_svc->publish_sockfd);
+ close(epfd);
+
+ return NULL;
+}
+
+void pubsub_start()
+{
+ if (_g_singleton_for_publish)
+ utils_launch_thread(__publish_loop, _g_singleton_for_publish);
+}
+
+
+void pubsub_stop()
+{
+ if (_g_singleton_for_publish)
+ __stop_for_publish(_g_singleton_for_publish);
+}
+
+API int pims_ipc_svc_init_for_publish(char *service, gid_t group, mode_t mode)
+{
+ RETVM_IF(_g_singleton_for_publish, -1, "Already exist");
+
+ _g_singleton_for_publish = g_new0(pims_ipc_svc_for_publish_s, 1);
+ _g_singleton_for_publish->service = g_strdup(service);
+ _g_singleton_for_publish->group = group;
+ _g_singleton_for_publish->mode = mode;
+ pthread_mutex_init(&_g_singleton_for_publish->subscribe_fds_mutex, 0);
+ pthread_mutex_lock(&_g_singleton_for_publish->subscribe_fds_mutex);
+ _g_singleton_for_publish->subscribe_fds = NULL;
+ pthread_mutex_unlock(&_g_singleton_for_publish->subscribe_fds_mutex);
+
+ return 0;
+}
+
+API int pims_ipc_svc_deinit_for_publish(void)
+{
+ if (!_g_singleton_for_publish)
+ return -1;
+
+ pthread_mutex_destroy(&_g_singleton_for_publish->subscribe_fds_mutex);
+ g_list_free(_g_singleton_for_publish->subscribe_fds);
+
+ g_free(_g_singleton_for_publish->service);
+ g_free(_g_singleton_for_publish);
+ _g_singleton_for_publish = NULL;
+
+ return 0;
+}
+
+API int pims_ipc_svc_publish_for_zone(const char *zone_name, char *module, char *event,
+ pims_ipc_data_h data)
+{
+ gboolean is_valid = FALSE;
+ unsigned int call_id_len;
+ unsigned int is_data = FALSE;
+ pims_ipc_data_s *data_in = data;
+ gchar *call_id = PIMS_IPC_MAKE_CALL_ID(module, event);
+ pims_ipc_svc_for_publish_s *ipc_svc = _g_singleton_for_publish;
+
+ if (call_id)
+ call_id_len = strlen(call_id);
+ else
+ call_id_len = 0;
+
+ do {
+ // make publish data
+ unsigned int len, total_len;
+ len = sizeof(total_len) + sizeof(call_id_len) + call_id_len + sizeof(is_data);
+ total_len = len;
+
+ if (data_in) {
+ is_data = TRUE;
+ len += sizeof(data_in->buf_size);
+ total_len = len + data_in->buf_size;
+ }
+
+ int length = 0;
+ char buf[len+1];
+ memset(buf, 0x0, len+1);
+
+ // total_size
+ memcpy(buf, &total_len, sizeof(total_len));
+ length += sizeof(total_len);
+
+ // call_id
+ memcpy(buf+length, &call_id_len, sizeof(call_id_len));
+ length += sizeof(call_id_len);
+ memcpy(buf+length, call_id, call_id_len);
+ length += call_id_len;
+ g_free(call_id);
+
+ // is_data
+ memcpy(buf+length, &is_data, sizeof(is_data));
+ length += sizeof(is_data);
+
+ // data
+ if (is_data) {
+ memcpy(buf+length, &(data_in->buf_size), sizeof(data_in->buf_size));
+ length += sizeof(data_in->buf_size);
+ }
+
+ // Publish to clients
+ pthread_mutex_lock(&ipc_svc->subscribe_fds_mutex);
+ GList *cursor = g_list_first(ipc_svc->subscribe_fds);
+ int ret = 0;
+ while(cursor) {
+ int fd = GPOINTER_TO_INT(cursor->data);
+ if (zone_name) {
+ struct ucred uc;
+ socklen_t uc_len = sizeof(uc);
+ if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &uc, &uc_len) < 0) {
+ ERR("getsockopt() Failed(%d)", errno);
+ cursor = cursor->next;
+ continue;
+ }
+ if (g_strcmp0(utils_get_zone_name_by_pid(uc.pid), zone_name)) {// diff
+ cursor = cursor->next;
+ continue;
+ }
+ }
+ pthread_mutex_unlock(&ipc_svc->subscribe_fds_mutex);
+ ret = socket_send(fd, buf, length);
+ if (ret < 0) {
+ ERR("socket_send() Fail(%d)", ret);
+ }
+
+ if (is_data) {
+ ret = socket_send_data(fd, data_in->buf, data_in->buf_size);
+ if (ret < 0) {
+ ERR("socket_send_data() Fail(%d)", ret);
+ }
+ }
+ pthread_mutex_lock(&ipc_svc->subscribe_fds_mutex);
+ cursor = cursor->next;
+ }
+ pthread_mutex_unlock(&ipc_svc->subscribe_fds_mutex);
+
+ is_valid = TRUE;
+ } while (0);
+
+ return 0;
+}
+
+API int pims_ipc_svc_publish(char *module, char *event, pims_ipc_data_h data)
+{
+ return pims_ipc_svc_publish_for_zone(NULL, module, event, data);
+}
+
--- /dev/null
+/*
+ * PIMS IPC
+ *
+ * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __PIMS_PUBSUB_H__
+#define __PIMS_PUBSUB_H__
+
+void pubsub_start();
+void pubsub_stop();
+
+#endif /*__PIMS_PUBSUB_H__*/
+
+
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
-
#include <unistd.h>
-#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
-#include <glib.h>
-#include <pthread.h>
#include <stdint.h>
#include <poll.h> // pollfds
#include <fcntl.h> //fcntl
#include <unistd.h>
-#include <systemd/sd-daemon.h>
-
-#include <sys/stat.h>
-#include <sys/un.h> // sockaddr_un
-#include <sys/ioctl.h> // ioctl
-#include <sys/epoll.h> // epoll
+#include <error.h>
#include <sys/eventfd.h> // eventfd
-#include <sys/socket.h> //socket
-#include <sys/types.h>
+
+#include <glib.h>
#include "pims-internal.h"
-#include "pims-debug.h"
#include "pims-socket.h"
#include "pims-ipc-data.h"
#include "pims-ipc-data-internal.h"
+#include "pims-ipc-utils.h"
+#include "pims-ipc-pubsub.h"
+#include "pims-ipc-worker.h"
#include "pims-ipc-svc.h"
#define PIMS_IPC_WORKERS_DEFAULT_MAX_COUNT 2
-typedef struct {
- char *service;
- gid_t group;
- mode_t mode;
-
- // callback functions
- GHashTable *cb_table; // call_id, cb_data
-
- // Global socket info and epoll thread
- int sockfd;
- bool epoll_stop_thread;
-
- /////////////////////////////////////////////
- // router inproc eventfd
- int router;
- int delay_count; // not need mutex
- // epoll thread add client_fd, when receive, router read requests
- GList *request_queue; // client_id lists to send request
- pthread_mutex_t request_data_queue_mutex;
- GHashTable *request_data_queue; // key : client id, data : GList pims_ipc_raw_data_s (client_fd, seq_no, request(command), additional data...)
- // router add client when receive connecting request, remove client when disconneting request in router thread
- // manager remove client when terminating client without disconnect request in router thread
- GHashTable *client_worker_map; // key : client_id, worker_fd, not need mutex
- GList *client_id_fd_map; // pims_ipc_client_map_s
- //key :client_id(pid:seq_no), data : client_fd
-
- /////////////////////////////////////////////
- pthread_mutex_t task_fds_mutex;
- // when starting worker thread, register fd
- // when endting worker thread, deregister fd
- GHashTable *task_fds; // worker_fd - worker data (worker fd, client_fd, request queue(GList), stop_thread)
- int workers_max_count;
-
- /////////////////////////////////////////////
- // manager inproc eventfd
- int manager;
- // write by new worker thread, read by manager in router thread, need mutex
- pthread_mutex_t manager_queue_from_worker_mutex;
- GList *manager_queue_from_worker; // worker_fd => add to workers
- // write in epoll thread(for dead client), read by manager in router thread, need mutex
- pthread_mutex_t manager_queue_from_epoll_mutex;
- GList *manager_queue_from_epoll; // cliend_fd => find worker_fd => add to idle workers
- // managed by manager, router find idle worker when connecting new client in router thread => remove from idle workers
- GList *workers; // worker_fd list, not need mutex
- /////////////////////////////////////////////
-} pims_ipc_svc_s;
-
-typedef struct {
- char *service;
- gid_t group;
- mode_t mode;
-
- int publish_sockfd;
- bool epoll_stop_thread;
- pthread_mutex_t subscribe_fds_mutex;
- GList *subscribe_fds; // cliend fd list
-} pims_ipc_svc_for_publish_s;
-
-typedef struct {
- int fd;
- char *id;
-}pims_ipc_client_map_s;
-
-typedef struct {
- pims_ipc_svc_call_cb callback;
- void * user_data;
-} pims_ipc_svc_cb_s;
-
-typedef struct {
- pims_ipc_svc_client_disconnected_cb callback;
- void * user_data;
-} pims_ipc_svc_client_disconnected_cb_t;
-
-typedef struct {
- int fd;
- int worker_id; // pthrad_self()
- int client_fd;
- bool stop_thread;
- GList *queue; // pims_ipc_raw_data_s list
- pthread_mutex_t queue_mutex;
-} pims_ipc_worker_data_s;
-
-typedef struct{
- char *client_id;
- unsigned int client_id_len;
- unsigned int seq_no;
- char *call_id;
- unsigned int call_id_len;
- unsigned int is_data;
- unsigned int data_len;
- char *data;
-}pims_ipc_raw_data_s;
-
-typedef struct {
- int client_fd;
- int request_count;
- GList *raw_data; // pims_ipc_raw_data_s list
- pthread_mutex_t raw_data_mutex;
-}pims_ipc_request_s;
-
static pims_ipc_svc_s *_g_singleton = NULL;
-static pims_ipc_svc_for_publish_s *_g_singleton_for_publish = NULL;
-
-static __thread pims_ipc_svc_client_disconnected_cb_t _client_disconnected_cb = {NULL, NULL};
-
-static void __free_raw_data(pims_ipc_raw_data_s *data)
-{
- if (!data) return;
- free(data->client_id);
- free(data->call_id);
- free(data->data);
- free(data);
-}
-static void __worker_data_free(gpointer data)
+gboolean svc_map_client_worker(gpointer user_data)
{
- pims_ipc_worker_data_s *worker_data = (pims_ipc_worker_data_s*)data;
+ char *client_id = user_data;
+ pims_ipc_worker_data_s *worker_data;
- pthread_mutex_lock(&worker_data->queue_mutex);
- if (worker_data->queue) {
- GList *cursor = g_list_first(worker_data->queue);
- while(cursor) {
- GList *l = cursor;
- pims_ipc_raw_data_s *data = l->data;
- cursor = g_list_next(cursor);
- worker_data->queue = g_list_remove_link(worker_data->queue, l);
- g_list_free(l);
- __free_raw_data(data);
- }
+ worker_data = worker_get_idle_worker(_g_singleton, client_id);
+ if (NULL == worker_data) {
+ ERR("worker_get_idle_worker() Fail");
+ return G_SOURCE_CONTINUE;
}
- pthread_mutex_unlock(&worker_data->queue_mutex);
- free(worker_data);
+ return G_SOURCE_REMOVE;
}
API int pims_ipc_svc_init(char *service, gid_t group, mode_t mode)
{
- if (_g_singleton) {
- ERROR("Already exist");
- return -1;
- }
+ RETVM_IF(_g_singleton, -1, "Already exist");
_g_singleton = g_new0(pims_ipc_svc_s, 1);
_g_singleton->service = g_strdup(service);
_g_singleton->group = group;
_g_singleton->mode = mode;
_g_singleton->workers_max_count = PIMS_IPC_WORKERS_DEFAULT_MAX_COUNT;
- _g_singleton->cb_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
- ASSERT(_g_singleton->cb_table);
- pthread_mutex_init(&_g_singleton->request_data_queue_mutex, 0);
- _g_singleton->request_queue = NULL;
- _g_singleton->request_data_queue = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL); // client_id - pims_ipc_raw_data_s
- ASSERT(_g_singleton->request_data_queue);
_g_singleton->client_worker_map = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL); // client id - worker_fd mapping
ASSERT(_g_singleton->client_worker_map);
- _g_singleton->delay_count = 0;
- pthread_mutex_init(&_g_singleton->task_fds_mutex, 0);
- _g_singleton->task_fds = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, __worker_data_free); // pims_ipc_worker_data_s
- ASSERT(_g_singleton->task_fds);
+ pthread_mutex_init(&_g_singleton->manager_list_hangup_mutex, 0);
+ _g_singleton->manager_list_hangup = NULL;
- pthread_mutex_init(&_g_singleton->manager_queue_from_epoll_mutex, 0);
- _g_singleton->manager_queue_from_epoll = NULL;
-
- pthread_mutex_init(&_g_singleton->manager_queue_from_worker_mutex, 0);
- _g_singleton->manager_queue_from_worker = NULL;
- _g_singleton->workers = NULL;
-
- _g_singleton->epoll_stop_thread = false;
+ worker_init();
return 0;
}
-API int pims_ipc_svc_deinit(void)
+static void __remove_client_fd_map(pims_ipc_svc_s *ipc_svc)
{
- if (!_g_singleton)
- return -1;
-
- g_free(_g_singleton->service);
- g_hash_table_destroy(_g_singleton->cb_table);
-
- pthread_mutex_destroy(&_g_singleton->request_data_queue_mutex);
- g_hash_table_destroy(_g_singleton->client_worker_map);
- g_hash_table_destroy(_g_singleton->request_data_queue);
- g_list_free_full(_g_singleton->request_queue, g_free);
-
- pthread_mutex_destroy(&_g_singleton->task_fds_mutex);
- g_hash_table_destroy(_g_singleton->task_fds);
-
- pthread_mutex_destroy(&_g_singleton->manager_queue_from_epoll_mutex);
- g_list_free_full(_g_singleton->manager_queue_from_epoll, g_free);
- pthread_mutex_destroy(&_g_singleton->manager_queue_from_worker_mutex);
- g_list_free(_g_singleton->manager_queue_from_worker);
+ GList *next, *cursor;
+ pims_ipc_client_map_s *client;
- GList *cursor = g_list_first(_g_singleton->client_id_fd_map);
+ cursor = g_list_first(ipc_svc->client_id_fd_map);
while(cursor) {
- pims_ipc_client_map_s *client = cursor->data;
- _g_singleton->client_id_fd_map = g_list_remove_link(_g_singleton->client_id_fd_map, cursor); //free(client_id);
+ next = cursor->next;
+ client = cursor->data;
+ worker_stop_client_worker(ipc_svc, client->id);
free(client->id);
free(client);
- g_list_free(cursor);
- cursor = g_list_first(_g_singleton->client_id_fd_map);
+ cursor = next;
}
- g_list_free(_g_singleton->client_id_fd_map);
-
- g_list_free(_g_singleton->workers);
- g_free(_g_singleton);
- _g_singleton = NULL;
-
- return 0;
+ g_list_free(ipc_svc->client_id_fd_map);
}
-API int pims_ipc_svc_register(char *module, char *function, pims_ipc_svc_call_cb callback, void *userdata)
-{
- pims_ipc_svc_cb_s *cb_data = NULL;
- gchar *call_id = NULL;
- if (!module || !function || !callback) {
- ERROR("Invalid argument");
- return -1;
- }
- cb_data = g_new0(pims_ipc_svc_cb_s, 1);
- call_id = PIMS_IPC_MAKE_CALL_ID(module, function);
-
- VERBOSE("register cb id[%s]", call_id);
- cb_data->callback = callback;
- cb_data->user_data = userdata;
- g_hash_table_insert(_g_singleton->cb_table, call_id, cb_data);
-
- return 0;
-}
-
-API int pims_ipc_svc_init_for_publish(char *service, gid_t group, mode_t mode)
+API int pims_ipc_svc_deinit(void)
{
- if (_g_singleton_for_publish) {
- ERROR("Already exist");
- return -1;
- }
-
- _g_singleton_for_publish = g_new0(pims_ipc_svc_for_publish_s, 1);
- _g_singleton_for_publish->service = g_strdup(service);
- _g_singleton_for_publish->group = group;
- _g_singleton_for_publish->mode = mode;
- _g_singleton_for_publish->subscribe_fds = NULL;
+ RETV_IF(NULL == _g_singleton, -1);
- pthread_mutex_init(&_g_singleton_for_publish->subscribe_fds_mutex, 0);
-
- return 0;
-}
+ g_free(_g_singleton->service);
-API int pims_ipc_svc_deinit_for_publish(void)
-{
- if (!_g_singleton_for_publish)
- return -1;
+ pthread_mutex_destroy(&_g_singleton->manager_list_hangup_mutex);
+ g_list_free_full(_g_singleton->manager_list_hangup, g_free);
- pthread_mutex_destroy(&_g_singleton_for_publish->subscribe_fds_mutex);
- g_list_free(_g_singleton_for_publish->subscribe_fds);
+ __remove_client_fd_map(_g_singleton);
+ worker_deinit();
+ g_hash_table_destroy(_g_singleton->client_worker_map);
- g_free(_g_singleton_for_publish->service);
- g_free(_g_singleton_for_publish);
- _g_singleton_for_publish = NULL;
+ g_free(_g_singleton);
+ _g_singleton = NULL;
return 0;
}
-API int pims_ipc_svc_publish(char *module, char *event, pims_ipc_data_h data)
-{
- pims_ipc_svc_for_publish_s *ipc_svc = _g_singleton_for_publish;
- gboolean is_valid = FALSE;
- gchar *call_id = PIMS_IPC_MAKE_CALL_ID(module, event);
- pims_ipc_data_s *data_in = (pims_ipc_data_s*)data;
- unsigned int call_id_len = strlen(call_id);
- unsigned int is_data = FALSE;
-
- do {
- // make publish data
- unsigned int len = sizeof(unsigned int) // total size
- + call_id_len + sizeof(unsigned int) // call_id
- + sizeof(unsigned int); // is data
- unsigned int total_len = len;
-
- if (data_in) {
- is_data = TRUE;
- len += sizeof(unsigned int);
- total_len = len + data_in->buf_size; // data
- }
-
- char buf[len+1];
- int length = 0;
- memset(buf, 0x0, len+1);
-
- // total_size
- memcpy(buf, (void*)&total_len, sizeof(unsigned int));
- length += sizeof(unsigned int);
-
- // call_id
- memcpy(buf+length, (void*)&(call_id_len), sizeof(unsigned int));
- length += sizeof(unsigned int);
- memcpy(buf+length, (void*)(call_id), call_id_len);
- length += call_id_len;
- g_free(call_id);
-
- // is_data
- memcpy(buf+length, (void*)&(is_data), sizeof(unsigned int));
- length += sizeof(unsigned int);
-
- // data
- if (is_data) {
- memcpy(buf+length, (void*)&(data_in->buf_size), sizeof(unsigned int));
- length += sizeof(unsigned int);
- }
-
- // Publish to clients
- pthread_mutex_lock(&ipc_svc->subscribe_fds_mutex);
- GList *cursor = g_list_first(ipc_svc->subscribe_fds);
- int ret = 0;
- while(cursor) {
- int fd = (int)cursor->data;
- ret = socket_send(fd, buf, length);
- if (ret < 0) {
- ERROR("socket_send publish error : %d", ret);
- }
-
- if (is_data) {
- ret = socket_send_data(fd, data_in->buf, data_in->buf_size);
- if (ret < 0) {
- ERROR("socket_send_data publish error : %d", ret);
- }
- }
- cursor = g_list_next(cursor);
- }
- pthread_mutex_unlock(&ipc_svc->subscribe_fds_mutex);
-
- is_valid = TRUE;
- } while (0);
-
- if (is_valid == FALSE)
- return -1;
- return 0;
-}
-static void __run_callback(int worker_id, char *call_id, pims_ipc_data_h dhandle_in, pims_ipc_data_h *dhandle_out)
+API int pims_ipc_svc_register(char *module, char *function,
+ pims_ipc_svc_call_cb callback, void *userdata)
{
+ gchar *call_id = NULL;
pims_ipc_svc_cb_s *cb_data = NULL;
- VERBOSE("Call id [%s]", call_id);
-
- cb_data = (pims_ipc_svc_cb_s*)g_hash_table_lookup(_g_singleton->cb_table, call_id);
- if (cb_data == NULL) {
- VERBOSE("unable to find %s", call_id);
- return;
- }
-
- cb_data->callback((pims_ipc_h)worker_id, dhandle_in, dhandle_out, cb_data->user_data);
-}
-
-static void __make_raw_data(const char *call_id, int seq_no, pims_ipc_data_h data, pims_ipc_raw_data_s**out)
-{
- pims_ipc_raw_data_s *raw_data = NULL;
- raw_data = (pims_ipc_raw_data_s*)calloc(1, sizeof(pims_ipc_raw_data_s));
- pims_ipc_data_s *data_in = (pims_ipc_data_s*)data;
-
- raw_data->call_id = strdup(call_id);
- raw_data->call_id_len = strlen(raw_data->call_id);
- raw_data->seq_no = seq_no;
+ RETV_IF(NULL == module, -1);
+ RETV_IF(NULL == function, -1);
+ RETV_IF(NULL == callback, -1);
- if (data_in && data_in->buf_size > 0) {
- raw_data->is_data = TRUE;
- raw_data->data = calloc(1, data_in->buf_size+1);
- memcpy(raw_data->data, data_in->buf, data_in->buf_size);
- raw_data->data_len = data_in->buf_size;
- }
- else {
- raw_data->is_data = FALSE;
- raw_data->data_len = 0;
- raw_data->data = NULL;
- }
- *out = raw_data;
- return;
-}
-
-static int __send_raw_data(int fd, const char *client_id, pims_ipc_raw_data_s *data)
-{
- int ret = 0;
- unsigned int client_id_len = strlen(client_id);
-
- if (!data) {
- INFO("No data to send NULL\n");
- return -1;
- }
-
- unsigned int len = sizeof(unsigned int) // total size
- + client_id_len + sizeof(unsigned int) // client_id
- + sizeof(unsigned int) // seq_no
- + data->call_id_len + sizeof(unsigned int) // call_id
- + sizeof(unsigned int); // is data
- unsigned int total_len = len;
-
- if (data->is_data) {
- len += sizeof(unsigned int); // data
- total_len = len + data->data_len; // data
- }
-
- INFO("client_id: %s, call_id : %s, seq no :%d, len:%d, total len :%d", client_id, data->call_id, data->seq_no, len, total_len);
-
- char buf[len+1];
-
- int length = 0;
- memset(buf, 0x0, len+1);
-
- // total_len
- memcpy(buf, (void*)&total_len, sizeof(unsigned int));
- length += sizeof(unsigned int);
-
- // client_id
- memcpy(buf+length, (void*)&(client_id_len), sizeof(unsigned int));
- length += sizeof(unsigned int);
- memcpy(buf+length, (void*)(client_id), client_id_len);
- length += client_id_len;
-
- // seq_no
- memcpy(buf+length, (void*)&(data->seq_no), sizeof(unsigned int));
- length += sizeof(unsigned int);
-
- // call id
- memcpy(buf+length, (void*)&(data->call_id_len), sizeof(unsigned int));
- length += sizeof(unsigned int);
- memcpy(buf+length, (void*)(data->call_id), data->call_id_len);
- length += data->call_id_len;
-
- // is_data
- memcpy(buf+length, (void*)&(data->is_data), sizeof(unsigned int));
- length += sizeof(unsigned int);
-
- if (data->is_data) {
- memcpy(buf+length, (void*)&(data->data_len), sizeof(unsigned int));
- length += sizeof(unsigned int);
- ret = socket_send(fd, buf, length);
-
- // send data
- if (ret > 0)
- ret += socket_send_data(fd, data->data, data->data_len);
- }
- else
- ret = socket_send(fd, buf, length);
-
- return ret;
-}
-
-static gboolean __worker_raw_data_pop(pims_ipc_worker_data_s *worker, pims_ipc_raw_data_s **data)
-{
- if (!worker)
- return FALSE;
-
- pthread_mutex_lock(&worker->queue_mutex);
- if (!worker->queue) {
- pthread_mutex_unlock(&worker->queue_mutex);
- *data = NULL;
- return FALSE;
- }
-
- *data = g_list_first(worker->queue)->data;
- worker->queue = g_list_delete_link(worker->queue, g_list_first(worker->queue));
- pthread_mutex_unlock(&worker->queue_mutex);
-
- return TRUE;
-}
-
-static void* __worker_loop(void *data)
-{
- int ret;
- int worker_id;
- int worker_fd;
- pims_ipc_svc_s *ipc_svc = (pims_ipc_svc_s*)data;
- pims_ipc_worker_data_s *worker_data;
- bool disconnected = false;
-
- worker_fd = eventfd(0, 0);
- if (worker_fd == -1)
- return NULL;
- worker_id = (int)pthread_self();
-
- worker_data = calloc(1, sizeof(pims_ipc_worker_data_s));
- worker_data->fd = worker_fd;
- worker_data->worker_id = worker_id;
- worker_data->client_fd = -1;
- worker_data->stop_thread = false;
- pthread_mutex_init(&worker_data->queue_mutex, 0);
-
- pthread_mutex_lock(&ipc_svc->task_fds_mutex);
- g_hash_table_insert(ipc_svc->task_fds, GINT_TO_POINTER(worker_fd), worker_data);
- pthread_mutex_unlock(&ipc_svc->task_fds_mutex);
-
- pthread_mutex_lock(&ipc_svc->manager_queue_from_worker_mutex);
- ipc_svc->manager_queue_from_worker = g_list_append(ipc_svc->manager_queue_from_worker, (void*)worker_fd);
- pthread_mutex_unlock(&ipc_svc->manager_queue_from_worker_mutex);
-
- write_command(ipc_svc->manager, 1);
- DEBUG("worker register to manager : worker_id(%08x00), worker_fd(%d)\n", worker_id, worker_fd);
-
- struct pollfd *pollfds = (struct pollfd*) malloc (1 * sizeof (struct pollfd));
- pollfds[0].fd = worker_fd;
- pollfds[0].events = POLLIN;
-
- while (!worker_data->stop_thread) {
- while(1) {
- if (worker_data->stop_thread)
- break;
- ret = poll(pollfds, 1, 3000); // waiting command from router
- if (ret == -1 && errno == EINTR) {
- continue;
- }
- break;
- }
-
- if (worker_data->stop_thread)
- break;
-
- if (ret > 0) {
- pims_ipc_raw_data_s *raw_data = NULL;
- pims_ipc_raw_data_s *result = NULL;
-
- if (pollfds[0].revents & POLLIN) {
- uint64_t dummy;
- read_command(pollfds[0].fd, &dummy);
- if (__worker_raw_data_pop(worker_data, &raw_data)) {
- pims_ipc_data_h data_in = NULL;
- pims_ipc_data_h data_out = NULL;
-
- if (strcmp(PIMS_IPC_CALL_ID_CREATE, raw_data->call_id) == 0) {
-
- }
- else if (strcmp(PIMS_IPC_CALL_ID_DESTROY, raw_data->call_id) == 0) {
- disconnected = true;
- }
- else {
- data_in = pims_ipc_data_steal_unmarshal(raw_data->data, raw_data->data_len);
- raw_data->data = NULL;
- raw_data->data_len = 0;
- raw_data->is_data = false;
- __run_callback(worker_id, raw_data->call_id, data_in, &data_out);
- pims_ipc_data_destroy(data_in);
- }
-
- if (data_out) {
- __make_raw_data(raw_data->call_id, raw_data->seq_no, data_out, &result);
- pims_ipc_data_destroy(data_out);
- }
- else
- __make_raw_data(raw_data->call_id, raw_data->seq_no, NULL, &result);
-
- if (worker_data->client_fd != -1)
- __send_raw_data(worker_data->client_fd, raw_data->client_id, result);
- __free_raw_data(raw_data);
- __free_raw_data(result);
- }
- }
- }
- }
-
- if (!disconnected)
- ERROR("client fd closed, worker_fd : %d", worker_fd);
- INFO("task thread terminated --------------------------- (worker_fd : %d)", worker_fd);
-
- pthread_mutex_lock(&ipc_svc->task_fds_mutex);
- g_hash_table_remove(ipc_svc->task_fds, GINT_TO_POINTER(worker_fd)); // __worker_data_free will be called
- pthread_mutex_unlock(&ipc_svc->task_fds_mutex);
-
- close(worker_fd);
- free ((void*)pollfds);
-
- if (_client_disconnected_cb.callback)
- _client_disconnected_cb.callback((pims_ipc_h)worker_id, _client_disconnected_cb.user_data);
-
- return NULL;
-}
-
-static void __launch_thread(void *(*start_routine) (void *), void *data)
-{
- pthread_t worker;
- pthread_attr_t attr;
-
- // set kernel thread
- pthread_attr_init(&attr);
- pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
-
- pthread_create(&worker, &attr, start_routine, data);
- // detach this thread
- pthread_detach(worker);
-}
-
-static gboolean __is_worker_available()
-{
- if (_g_singleton->workers)
- return TRUE;
- else
- return FALSE;
-}
-
-static int __get_worker(const char *client_id, int *worker_id)
-{
- ASSERT(client_id);
- ASSERT(worker_id);
-
- if (!__is_worker_available()) {
- ERROR("There is no idle worker");
- return -1;
- }
- *worker_id = (int)(g_list_first(_g_singleton->workers)->data);
- _g_singleton->workers = g_list_delete_link(_g_singleton->workers,
- g_list_first(_g_singleton->workers));
-
- g_hash_table_insert(_g_singleton->client_worker_map, g_strdup(client_id), GINT_TO_POINTER(*worker_id));
-
- return 0;
-}
-
-static int __find_worker(const char *client_id, int *worker_fd)
-{
- char *orig_pid = NULL;
- int fd;
-
- ASSERT(client_id);
- ASSERT(worker_fd);
-
- if (FALSE == g_hash_table_lookup_extended(_g_singleton->client_worker_map, client_id,
- (gpointer*)&orig_pid, (gpointer*)&fd)) {
- VERBOSE("unable to find worker id for %s", client_id);
+ cb_data = calloc(1, sizeof(pims_ipc_svc_cb_s));
+ if (NULL == cb_data) {
+ ERR("calloc() Fail");
return -1;
}
- *worker_fd = GPOINTER_TO_INT(fd);
- return 0;
-}
-
-static bool __request_pop(pims_ipc_request_s *data_queue, pims_ipc_raw_data_s **data)
-{
- bool ret = false;
- GList *cursor;
-
- pthread_mutex_lock(&data_queue->raw_data_mutex);
- cursor = g_list_first(data_queue->raw_data);
- if (cursor) {
- *data = cursor->data;
- data_queue->raw_data = g_list_delete_link(data_queue->raw_data, cursor);
- (data_queue->request_count)--;
-
- ret = true;
- }
- else
- *data = NULL;
-
- pthread_mutex_unlock(&data_queue->raw_data_mutex);
- return ret;
-}
-
-static bool __worker_raw_data_push(pims_ipc_worker_data_s *worker_data, int client_fd, pims_ipc_raw_data_s *data)
-{
- pthread_mutex_lock(&worker_data->queue_mutex);
- worker_data->queue = g_list_append(worker_data->queue, data);
- worker_data->client_fd = client_fd;
- pthread_mutex_unlock(&worker_data->queue_mutex);
-
- return true;
-}
-
-static int __process_router_event(pims_ipc_svc_s *ipc_svc, gboolean for_queue)
-{
- gboolean is_valid = FALSE;
- pims_ipc_request_s *data_queue = NULL;
- GList *queue_cursor = NULL;
- int worker_fd = 0;
- char *client_id = NULL;
- int *org_fd;
- int ret;
-
- do {
- pthread_mutex_lock(&ipc_svc->request_data_queue_mutex);
- queue_cursor = g_list_first(ipc_svc->request_queue);
- if (NULL == queue_cursor) {
- pthread_mutex_unlock(&ipc_svc->request_data_queue_mutex);
- return 0;
- }
- client_id = (char *)(queue_cursor->data);
- ASSERT(client_id != NULL);
- pthread_mutex_unlock(&ipc_svc->request_data_queue_mutex);
-
- ret = g_hash_table_lookup_extended(ipc_svc->request_data_queue, (void*)client_id, (gpointer*)&org_fd, (gpointer*)&data_queue);
-
- if (for_queue)
- ipc_svc->delay_count--;
-
- if (ret == TRUE && data_queue) {
- int *org_fd;
- pims_ipc_worker_data_s *worker_data = NULL;
-
- pthread_mutex_lock(&data_queue->raw_data_mutex);
- GList *cursor = g_list_first(data_queue->raw_data);
- if (!cursor) {
- pthread_mutex_unlock(&data_queue->raw_data_mutex);
- break;
- }
-
- pims_ipc_raw_data_s *data = (pims_ipc_raw_data_s*)(cursor->data);
- char *call_id = data->call_id;
- int client_fd = data_queue->client_fd;
-
- ASSERT(call_id != NULL);
-
- VERBOSE("call_id = [%s]", call_id);
- if (strcmp(PIMS_IPC_CALL_ID_CREATE, call_id) == 0) {
- // Get a worker. If cannot get a worker, create a worker and enqueue a current request
- __launch_thread(__worker_loop, ipc_svc);
- if (__get_worker((const char*)client_id, &worker_fd) != 0) {
- ipc_svc->delay_count++;
- pthread_mutex_unlock(&data_queue->raw_data_mutex);
- is_valid = TRUE;
- break;
- }
- }
- else {
- // Find a worker
- if (__find_worker((const char*)client_id, &worker_fd) != 0) {
- ERROR("unable to find a worker");
- pthread_mutex_unlock(&data_queue->raw_data_mutex);
- break;
- }
- }
- pthread_mutex_unlock(&data_queue->raw_data_mutex);
-
- VERBOSE("routing client_id : %s, seq_no: %d, client_fd = %d, worker fd = %d", client_id, data->seq_no, client_fd, worker_fd);
-
- if (worker_fd <= 0)
- break;
-
- pthread_mutex_lock(&ipc_svc->task_fds_mutex);
- if (FALSE == g_hash_table_lookup_extended(ipc_svc->task_fds,
- GINT_TO_POINTER(worker_fd), (gpointer*)&org_fd, (gpointer*)&worker_data)) {
- ERROR("hash lookup fail : worker_fd (%d)", worker_fd);
- pthread_mutex_unlock(&ipc_svc->task_fds_mutex);
- break;
- }
-
- if (__request_pop(data_queue, &data)) {
- __worker_raw_data_push(worker_data, client_fd, data);
- write_command(worker_fd, 1);
- }
-
- pthread_mutex_unlock(&ipc_svc->task_fds_mutex);
- }
-
- pthread_mutex_lock(&ipc_svc->request_data_queue_mutex);
- free(client_id);
- ipc_svc->request_queue = g_list_delete_link(ipc_svc->request_queue, queue_cursor);
- pthread_mutex_unlock(&ipc_svc->request_data_queue_mutex);
-
- is_valid = TRUE;
- } while (0);
-
- if (is_valid == FALSE)
- return -1;
-
- return 1;
-}
-
-static int __process_manager_event(pims_ipc_svc_s *ipc_svc)
-{
- GList *cursor = NULL;
- int worker_fd;
-
- // client socket terminated without disconnect request
- pthread_mutex_lock(&ipc_svc->manager_queue_from_epoll_mutex);
- if (ipc_svc->manager_queue_from_epoll) {
- cursor = g_list_first(ipc_svc->manager_queue_from_epoll);
- char *client_id = (char*)cursor->data;
- __find_worker(client_id, &worker_fd);
-
- ipc_svc->manager_queue_from_epoll = g_list_delete_link(ipc_svc->manager_queue_from_epoll, cursor);
- pthread_mutex_unlock(&ipc_svc->manager_queue_from_epoll_mutex);
-
- // remove client_fd
- g_hash_table_remove(ipc_svc->client_worker_map, client_id);
- free(client_id);
-
- // stop worker thread
- if (worker_fd) {
- int *org_fd;
- pims_ipc_worker_data_s *worker_data;
-
- pthread_mutex_lock(&ipc_svc->task_fds_mutex);
- if (FALSE == g_hash_table_lookup_extended(ipc_svc->task_fds,
- GINT_TO_POINTER(worker_fd), (gpointer*)&org_fd, (gpointer*)&worker_data)) {
- ERROR("g_hash_table_lookup_extended fail : worker_fd (%d)", worker_fd);
- pthread_mutex_unlock(&ipc_svc->task_fds_mutex);
- return -1;
- }
- worker_data->stop_thread = true;
- worker_data->client_fd = -1;
- pthread_mutex_unlock(&ipc_svc->task_fds_mutex);
-
- write_command(worker_fd, 1);
- VERBOSE("write command to worker terminate (worker_fd : %d)", worker_fd);
- }
- return 0;
- }
- pthread_mutex_unlock(&ipc_svc->manager_queue_from_epoll_mutex);
-
- // create new worker
- pthread_mutex_lock(&ipc_svc->manager_queue_from_worker_mutex);
- if (ipc_svc->manager_queue_from_worker) {
-
- cursor = g_list_first(ipc_svc->manager_queue_from_worker);
- while (cursor) {
- worker_fd = (int)cursor->data;
- ipc_svc->manager_queue_from_worker = g_list_delete_link(ipc_svc->manager_queue_from_worker, cursor);
-
- if (worker_fd) {
- DEBUG("add idle worker_fd : %d", worker_fd);
- ipc_svc->workers = g_list_append(ipc_svc->workers, (void*)worker_fd);
- }
- cursor = g_list_first(ipc_svc->manager_queue_from_worker);
- }
- pthread_mutex_unlock(&ipc_svc->manager_queue_from_worker_mutex);
- return 0;
- }
- pthread_mutex_unlock(&ipc_svc->manager_queue_from_worker_mutex);
-
- return 0;
-}
-
-// if delete = true, steal client_id, then free(client_id)
-// if delete = false, return client_id pointer, then do no call free(client_id
-static int __find_client_id(pims_ipc_svc_s *ipc_svc, int client_fd, bool delete, char **client_id)
-{
- pims_ipc_client_map_s *client;
- GList *cursor = NULL;
- cursor = g_list_first(ipc_svc->client_id_fd_map);
- while(cursor) {
- client = cursor->data;
- if (client->fd == client_fd) {
- *client_id = client->id;
- if (delete) {
- client->id = NULL;
- ipc_svc->client_id_fd_map = g_list_delete_link(ipc_svc->client_id_fd_map, cursor); //free(client);
- free(client);
- }
- return 0;
- }
- cursor = g_list_next(cursor);
- }
- return -1;
-}
-
-static void __request_push(pims_ipc_svc_s *ipc_svc, char *client_id, int client_fd, pims_ipc_raw_data_s *data)
-{
- int ret;
- int *org_fd;
- pims_ipc_request_s *data_queue = NULL;
-
- pthread_mutex_lock(&ipc_svc->request_data_queue_mutex);
- ret = g_hash_table_lookup_extended(ipc_svc->request_data_queue, (void*)client_id, (gpointer*)&org_fd,(gpointer*)&data_queue);
- if (ret == TRUE && data_queue) {
- }
- else {
- data_queue = calloc(1, sizeof(pims_ipc_request_s));
- data_queue->request_count = 0;
- pthread_mutex_init(&data_queue->raw_data_mutex, 0);
-
- g_hash_table_insert(ipc_svc->request_data_queue, g_strdup(client_id), data_queue);
- }
- ipc_svc->request_queue = g_list_append(ipc_svc->request_queue, g_strdup(client_id));
- pthread_mutex_unlock(&ipc_svc->request_data_queue_mutex);
-
- pthread_mutex_lock(&data_queue->raw_data_mutex);
- data_queue->raw_data = g_list_append(data_queue->raw_data, data);
- data_queue->client_fd = client_fd;
- data_queue->request_count++;
- pthread_mutex_unlock(&data_queue->raw_data_mutex);
-}
-
-static void __delete_request_queue(pims_ipc_svc_s *ipc_svc, char *client_id)
-{
- pims_ipc_request_s *data_queue = NULL;
- int ret;
- int *org_fd;
- GList *l;
- GList *cursor;
-
- pthread_mutex_lock(&ipc_svc->request_data_queue_mutex);
- ret = g_hash_table_lookup_extended(ipc_svc->request_data_queue, (void*)client_id, (gpointer*)&org_fd,(gpointer*)&data_queue);
- if (ret == TRUE)
- g_hash_table_remove(ipc_svc->request_data_queue, (void*)client_id);
-
- cursor = g_list_first(ipc_svc->request_queue);
- while (cursor) {
- l = cursor;
- char *id = l->data;
- cursor = g_list_next(cursor);
- if (id && strcmp(id, client_id) == 0) {
- free(id);
- ipc_svc->request_queue = g_list_delete_link(ipc_svc->request_queue, l);
- }
- }
- pthread_mutex_unlock(&ipc_svc->request_data_queue_mutex);
-
- if (data_queue) {
- pthread_mutex_lock(&data_queue->raw_data_mutex);
- cursor = g_list_first(data_queue->raw_data);
- pims_ipc_raw_data_s *data;
- while(cursor) {
- l = cursor;
- data = (pims_ipc_raw_data_s *)cursor->data;
- cursor = g_list_next(cursor);
- data_queue->raw_data = g_list_delete_link(data_queue->raw_data, l);
- __free_raw_data(data);
- }
- g_list_free(data_queue->raw_data);
- pthread_mutex_unlock(&data_queue->raw_data_mutex);
- pthread_mutex_destroy(&data_queue->raw_data_mutex);
- free(data_queue);
- }
-}
-
-static int __send_identify(int fd, unsigned int seq_no, char *id, int id_len)
-{
- int len = sizeof(unsigned int) // total size
- + id_len + sizeof(unsigned int) // id
- + sizeof(unsigned int); // seq_no
-
- char buf[len+1];
-
- int length = 0;
- memset(buf, 0x0, len+1);
-
- // total len
- memcpy(buf, (void*)&len, sizeof(unsigned int));
- length += sizeof(unsigned int);
-
- // id
- memcpy(buf+length, (void*)&(id_len), sizeof(unsigned int));
- length += sizeof(unsigned int);
- memcpy(buf+length, (void*)(id), id_len);
- length += id_len;
-
- // seq_no
- memcpy(buf+length, (void*)&(seq_no), sizeof(unsigned int));
- length += sizeof(unsigned int);
-
- return socket_send(fd, buf, length);
-}
-
-static int __recv_raw_data(int fd, pims_ipc_raw_data_s **data, bool *identity)
-{
- int len = 0;
- pims_ipc_raw_data_s *temp;
-
- /* read the size of message. note that ioctl is non-blocking */
- if (ioctl(fd, FIONREAD, &len)) {
- ERROR("ioctl failed: %d", errno);
- return -1;
- }
-
- /* when server or client closed socket */
- if (len == 0) {
- INFO("[IPC Socket] connection is closed");
- return 0;
- }
-
- temp = (pims_ipc_raw_data_s*)calloc(1, sizeof(pims_ipc_raw_data_s));
- temp->client_id = NULL;
- temp->client_id_len = 0;
- temp->call_id = NULL;
- temp->call_id_len = 0;
- temp->seq_no = 0;
- temp->is_data = FALSE;
- temp->data = NULL;
- temp->data_len = 0;
-
- int ret = 0;
- unsigned int read_len = 0;
- unsigned int total_len = 0;
- unsigned int is_data = FALSE;
-
- do {
- // total length
- ret = read(fd, (void *)&total_len, sizeof(unsigned int));
- if (ret < 0) { ERROR("read error"); break; }
- read_len += ret;
-
- // client_id
- ret = read(fd, (void *)&(temp->client_id_len), sizeof(unsigned int));
- if (ret < 0) { ERROR("read error"); break; }
- read_len += ret;
-
- temp->client_id = calloc(1, temp->client_id_len+1);
- ret = socket_recv(fd, (void *)&(temp->client_id), temp->client_id_len);
- if (ret < 0) { ERROR("socket_recv error"); break; }
- read_len += ret;
-
- // sequnce no
- ret = read(fd, (void *)&(temp->seq_no), sizeof(unsigned int));
- if (ret < 0) { ERROR("read error"); break; }
- read_len += ret;
-
- if (total_len == read_len) {
- *data = temp;
- *identity = true;
- return read_len;
- }
-
- // call_id
- ret = read(fd, (void *)&(temp->call_id_len), sizeof(unsigned int));
- if (ret < 0) { ERROR("read error"); break; }
- read_len += ret;
-
- temp->call_id = calloc(1, temp->call_id_len+1);
- ret = socket_recv(fd, (void *)&(temp->call_id), temp->call_id_len);
- if (ret < 0) { ERROR("socket_recv error"); break; }
- read_len += ret;
-
- // is_data
- ret = read(fd, (void *)&(is_data), sizeof(unsigned int));
- if (ret < 0) { ERROR("read error"); break; }
- read_len += ret;
-
- // data
- if (is_data) {
- temp->is_data = TRUE;
- ret = read(fd, (void *)&(temp->data_len), sizeof(unsigned int));
- if (ret < 0) { ERROR("read error"); break; }
- read_len += ret;
-
- temp->data = calloc(1, temp->data_len+1);
- ret = socket_recv(fd, (void *)&(temp->data), temp->data_len);
- if (ret < 0) { ERROR("socket_recv error"); break; }
- read_len += ret;
- }
-
- INFO("client_id : %s, call_id : %s, seq_no : %d", temp->client_id, temp->call_id, temp->seq_no);
-
- *data = temp;
- *identity = false;
- }while(0);
-
- if (ret < 0) {
- __free_raw_data(temp);
- *data = NULL;
- *identity = false;
- }
-
- return read_len;
-}
-
-static gboolean __request_handler(GIOChannel *src, GIOCondition condition, gpointer data)
-{
- int ret;
- int event_fd = g_io_channel_unix_get_fd(src);
- char *client_id = NULL;
- pims_ipc_svc_s *ipc_svc = (pims_ipc_svc_s*)data;
-
- if (G_IO_HUP & condition) {
- INFO("client closed ------------------------client_fd : %d", event_fd);
-
- close(event_fd);
-
- // Find client_id
- __find_client_id(ipc_svc, event_fd, true, &client_id);
-
- // Send client_id to manager to terminate worker thread
- if (client_id) {
- pthread_mutex_lock(&ipc_svc->manager_queue_from_epoll_mutex);
- ipc_svc->manager_queue_from_epoll = g_list_append(ipc_svc->manager_queue_from_epoll, (void*)g_strdup(client_id));
- pthread_mutex_unlock(&ipc_svc->manager_queue_from_epoll_mutex);
- write_command(ipc_svc->manager, 1);
-
- __delete_request_queue(ipc_svc, client_id);
- free(client_id);
- }
-
- return FALSE;
- }
-
- // receive data from client
- int recv_len;
- bool identity = false;
- pims_ipc_raw_data_s *req = NULL;
-
- recv_len = __recv_raw_data(event_fd, &req, &identity);
- if (recv_len > 0) {
- // send command to router
- if (identity) {
- pims_ipc_client_map_s *client = (pims_ipc_client_map_s*)calloc(1, sizeof(pims_ipc_client_map_s));
- client->fd = event_fd;
- client->id = req->client_id;
- req->client_id = NULL;
- ipc_svc->client_id_fd_map = g_list_append(ipc_svc->client_id_fd_map, client);
-
- // send server pid to client
- char temp[100];
- snprintf(temp, sizeof(temp), "%x", getpid());
- ret = __send_identify(event_fd, req->seq_no, temp, strlen(temp));
-
- __free_raw_data(req);
- if (ret < 0)
- return FALSE;
- return TRUE;
- }
-
- __find_client_id(ipc_svc, event_fd, false, &client_id);
-
- if (client_id) {
- __request_push(ipc_svc, client_id, event_fd, req);
- write_command(ipc_svc->router, 1);
- }
- else
- ERROR("__find_client_id fail : event_fd (%d)", event_fd);
- }
- else {
- ERROR("receive invalid : %d", event_fd);
- close(event_fd);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static gboolean __socket_handler(GIOChannel *src, GIOCondition condition, gpointer data)
-{
- GIOChannel *channel;
- pims_ipc_svc_s *ipc_svc = (pims_ipc_svc_s*)data;
- int client_sockfd = -1;
- int sockfd = ipc_svc->sockfd;
- struct sockaddr_un clientaddr;
- socklen_t client_len = sizeof(clientaddr);
-
- client_sockfd = accept(sockfd, (struct sockaddr *)&clientaddr, &client_len);
- if (-1 == client_sockfd) {
- ERROR("accept error : %s", strerror(errno));
- return TRUE;
- }
-
- channel = g_io_channel_unix_new(client_sockfd);
- g_io_add_watch(channel, G_IO_IN|G_IO_HUP, __request_handler, data);
- g_io_channel_unref(channel);
-
- return TRUE;
-}
-
-static void* __main_loop(void *user_data)
-{
- int ret;
- struct sockaddr_un addr;
- GIOChannel *gio = NULL;
- pims_ipc_svc_s *ipc_svc = (pims_ipc_svc_s*)user_data;
-
- if (sd_listen_fds(1) == 1 && sd_is_socket_unix(SD_LISTEN_FDS_START, SOCK_STREAM, -1, ipc_svc->service, 0) > 0) {
- ipc_svc->sockfd = SD_LISTEN_FDS_START;
- }
- else {
- unlink(ipc_svc->service);
- ipc_svc->sockfd = socket(PF_UNIX, SOCK_STREAM, 0);
-
- bzero(&addr, sizeof(addr));
- addr.sun_family = AF_UNIX;
- snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", ipc_svc->service);
-
- ret = bind(ipc_svc->sockfd, (struct sockaddr *)&addr, sizeof(addr));
- if (ret != 0)
- ERROR("bind error :%d", ret);
- ret = listen(ipc_svc->sockfd, 30);
-
- ret = chown(ipc_svc->service, getuid(), ipc_svc->group);
- ret = chmod(ipc_svc->service, ipc_svc->mode);
- }
-
- gio = g_io_channel_unix_new(ipc_svc->sockfd);
-
- g_io_add_watch(gio, G_IO_IN, __socket_handler, (gpointer)ipc_svc);
-
- return NULL;
-}
-
-static int __open_router_fd(pims_ipc_svc_s *ipc_svc)
-{
- int ret = -1;
- int flags;
- int router;
- int manager;
-
- // router inproc eventfd
- router = eventfd(0,0);
- if (-1 == router) {
- ERROR("eventfd error : %d", errno);
- return -1;
- }
- VERBOSE("router :%d\n", router);
-
- flags = fcntl(router, F_GETFL, 0);
- if (flags == -1)
- flags = 0;
- ret = fcntl (router, F_SETFL, flags | O_NONBLOCK);
- VERBOSE("rounter fcntl : %d\n", ret);
-
- // manager inproc eventfd
- manager = eventfd(0,0);
- if (-1 == manager) {
- ERROR("eventfd error : %d", errno);
- close(router);
- return -1;
- }
- VERBOSE("manager :%d\n", manager);
+ call_id = PIMS_IPC_MAKE_CALL_ID(module, function);
+ VERBOSE("register cb id[%s]", call_id);
- flags = fcntl(manager, F_GETFL, 0);
- if (flags == -1)
- flags = 0;
- ret = fcntl (manager, F_SETFL, flags | O_NONBLOCK);
- VERBOSE("manager fcntl : %d\n", ret);
+ cb_data->callback = callback;
+ cb_data->user_data = userdata;
- ipc_svc->router = router;
- ipc_svc->manager = manager;
+ worker_set_callback(call_id, cb_data);
return 0;
}
-static void __close_router_fd(pims_ipc_svc_s *ipc_svc)
-{
- close(ipc_svc->router);
- close(ipc_svc->manager);
-}
-
-static void* __publish_loop(void *user_data)
-{
- int ret;
- int epfd;
-
- struct sockaddr_un addr;
- struct epoll_event ev = {0};
- pims_ipc_svc_for_publish_s *ipc_svc = (pims_ipc_svc_for_publish_s*)user_data;
-
- unlink(ipc_svc->service);
- ipc_svc->publish_sockfd = socket(PF_UNIX, SOCK_STREAM, 0);
-
- bzero(&addr, sizeof(struct sockaddr_un));
- addr.sun_family = AF_UNIX;
- snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", ipc_svc->service);
-
- int flags = fcntl (ipc_svc->publish_sockfd, F_GETFL, 0);
- if (flags == -1)
- flags = 0;
- ret = fcntl (ipc_svc->publish_sockfd, F_SETFL, flags | O_NONBLOCK);
- VERBOSE("publish socketfd fcntl : %d\n", ret);
-
- ret = bind(ipc_svc->publish_sockfd, (struct sockaddr *)&(addr), sizeof(struct sockaddr_un));
- if (ret != 0)
- ERROR("bind error :%d", ret);
- ret = listen(ipc_svc->publish_sockfd, 30);
- WARN_IF(ret != 0, "listen error :%d", ret);
-
- ret = chown(ipc_svc->service, getuid(), ipc_svc->group);
- WARN_IF(ret != 0, "listen error :%d", ret);
- ret = chmod(ipc_svc->service, ipc_svc->mode);
- WARN_IF(ret != 0, "listen error :%d", ret);
-
- epfd = epoll_create(MAX_EPOLL_EVENT);
-
- ev.events = EPOLLIN | EPOLLHUP;
- ev.data.fd = ipc_svc->publish_sockfd;
-
- ret = epoll_ctl(epfd, EPOLL_CTL_ADD, ipc_svc->publish_sockfd, &ev);
- WARN_IF(ret != 0, "listen error :%d", ret);
-
- while (!ipc_svc->epoll_stop_thread) {
- int i = 0;
- struct epoll_event events[MAX_EPOLL_EVENT] = {{0}, };
- int event_num = epoll_wait(epfd, events, MAX_EPOLL_EVENT, -1);
-
- if (ipc_svc->epoll_stop_thread)
- break;
-
- if (event_num == -1) {
- if (errno != EINTR) {
- ERROR("errno:%d\n", errno);
- break;
- }
- }
-
- for (i = 0; i < event_num; i++) {
- int event_fd = events[i].data.fd;
-
- if (events[i].events & EPOLLHUP) {
- VERBOSE("client closed -----------------------------------------:%d", event_fd);
- if (epoll_ctl(epfd, EPOLL_CTL_DEL, event_fd, events) == -1) {
- ERROR("epoll_ctl (EPOLL_CTL_DEL) fail : errno(%d)", errno);
- }
- close(event_fd);
-
- // Find client_id and delete
- GList *cursor = NULL;
-
- pthread_mutex_lock(&ipc_svc->subscribe_fds_mutex);
- cursor = g_list_first(ipc_svc->subscribe_fds);
- while (cursor) {
- if (event_fd == (int)cursor->data) {
- ipc_svc->subscribe_fds = g_list_delete_link(ipc_svc->subscribe_fds, cursor);
- break;
- }
- cursor = g_list_next(cursor);
- }
- pthread_mutex_unlock(&ipc_svc->subscribe_fds_mutex);
- continue;
- }
- else if (event_fd == ipc_svc->publish_sockfd) { // connect client
- struct sockaddr_un remote;
- int remote_len = sizeof(remote);
- int client_fd = accept(ipc_svc->publish_sockfd, (struct sockaddr *)&remote, (socklen_t*) &remote_len);
- if (client_fd == -1) {
- ERROR("accept fail : errno : %d", errno);
- continue;
- }
- VERBOSE("client subscriber connect: %d", client_fd);
-
- pthread_mutex_lock(&ipc_svc->subscribe_fds_mutex);
- ipc_svc->subscribe_fds = g_list_append(ipc_svc->subscribe_fds, (void*)client_fd);
- pthread_mutex_unlock(&ipc_svc->subscribe_fds_mutex);
-
- ev.events = EPOLLIN;
- ev.data.fd = client_fd;
- if (epoll_ctl(epfd, EPOLL_CTL_ADD, client_fd, &ev) == -1) {
- ERROR("epoll_ctl (EPOLL_CTL_ADD) fail : error(%d)\n", errno);
- continue;
- }
- }
- }
- }
-
- close(ipc_svc->publish_sockfd);
- close(epfd);
-
- return NULL;
-}
-
-static void __stop_for_publish(pims_ipc_svc_for_publish_s *ipc_svc)
-{
- ipc_svc->epoll_stop_thread = true;
-}
-
-static void* __router_loop(void *data)
+API void pims_ipc_svc_run_main_loop(GMainLoop *loop)
{
- pims_ipc_svc_s *ipc_svc = (pims_ipc_svc_s*)data;
- int fd_count = 2;
- struct pollfd *pollfds;
+ GMainLoop *main_loop = loop;
- pollfds = (struct pollfd*) malloc (fd_count * sizeof (struct pollfd));
-
- pollfds[0].fd = ipc_svc->router;
- pollfds[0].events = POLLIN;
- pollfds[1].fd = ipc_svc->manager;
- pollfds[1].events = POLLIN;
-
- while (1) {
- int ret = -1;
- uint64_t dummy;
- int check_router_queue = -1;
- int check_manager_queue = -1;
-
- while (1) {
- ret = poll(pollfds, fd_count, 1000);
- if (ret == -1 && errno == EINTR) {
- //free (pollfds);
- continue; //return NULL;
- }
- break;
- }
-
- if (ret > 0) {
- if (pollfds[0].revents & POLLIN) {
- // request router: send request to worker
- if (sizeof (dummy) == read_command(pollfds[0].fd, &dummy)) {
- check_router_queue = __process_router_event(ipc_svc, false);
- }
- }
-
- if (pollfds[1].revents & POLLIN) {
- // worker manager
- if (sizeof (dummy) == read_command(pollfds[1].fd, &dummy)) {
- check_manager_queue = __process_manager_event(ipc_svc);
- if (ipc_svc->delay_count > 0)
- check_router_queue = __process_router_event(ipc_svc, true);
- }
- }
- }
-
- // check queue
- while(check_router_queue > 0 || check_manager_queue > 0) {
- read_command(pollfds[0].fd, &dummy);
- check_router_queue = __process_router_event(ipc_svc, false);
-
- read_command(pollfds[1].fd, &dummy);
- check_manager_queue = __process_manager_event(ipc_svc);
- if (ipc_svc->delay_count > 0)
- check_router_queue = __process_router_event(ipc_svc, true);
- }
- }
-
- free(pollfds);
-
- return NULL;
-}
-
-API void pims_ipc_svc_run_main_loop(GMainLoop* loop)
-{
- int ret = -1;
- GMainLoop* main_loop = loop;
-
- if (main_loop == NULL) {
+ if (main_loop == NULL)
main_loop = g_main_loop_new(NULL, FALSE);
- }
- if (_g_singleton_for_publish)
- __launch_thread(__publish_loop, _g_singleton_for_publish);
+ pubsub_start();
if (_g_singleton) {
- ret = __open_router_fd(_g_singleton);
- ASSERT(ret == 0);
-
- int i;
// launch worker threads in advance
- for (i = 0; i < _g_singleton->workers_max_count; i++)
- __launch_thread(__worker_loop, _g_singleton);
-
- __launch_thread(__router_loop, _g_singleton);
- __main_loop(_g_singleton);
+ worker_start_idle_worker(_g_singleton);
+ socket_set_handler(_g_singleton);
}
g_main_loop_run(main_loop);
- if (_g_singleton)
- __close_router_fd(_g_singleton);
-
- if (_g_singleton_for_publish)
- __stop_for_publish(_g_singleton_for_publish);
-
-}
-
-API void pims_ipc_svc_set_client_disconnected_cb(pims_ipc_svc_client_disconnected_cb callback, void *user_data)
-{
- if (_client_disconnected_cb.callback) {
- ERROR("already registered");
- return;
- }
- _client_disconnected_cb.callback = callback;
- _client_disconnected_cb.user_data = user_data;
+ worker_stop_idle_worker();
+ pubsub_stop();
}
-
--- /dev/null
+/*
+ * PIMS IPC
+ *
+ * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <pthread.h>
+
+#include <vasum.h>
+
+#include "pims-internal.h"
+
+
+const char* utils_get_zone_name_by_pid(int pid)
+{
+ static struct vsm_context *ctx = NULL;
+
+ if (NULL == ctx)
+ ctx = vsm_create_context();
+
+ vsm_zone_h zone = vsm_lookup_zone_by_pid(ctx, pid);
+ if (NULL == zone) {
+ ERR("zone is NULL");
+ return NULL;
+ }
+
+ return vsm_get_zone_name(zone);
+}
+
+void utils_launch_thread(void *(*start_routine)(void *), void *data)
+{
+ int ret = 0;
+
+ pthread_t worker;
+ pthread_attr_t attr;
+
+ // set kernel thread
+ ret = pthread_attr_init(&attr);
+ if (0 != ret) {
+ ERR("pthread_attr_init() Fail(%d)", ret);
+ return;
+ }
+ ret = pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
+ if (0 != ret) {
+ ERR("pthread_attr_setscope() Fail(%d)", ret);
+ return;
+ }
+ ret = pthread_create(&worker, &attr, start_routine, data);
+ if (0 != ret) {
+ ERR("pthread_create() Fail(%d)", ret);
+ return;
+ }
+
+ pthread_detach(worker);
+}
+
--- /dev/null
+/*
+ * PIMS IPC
+ *
+ * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __PIMS_UTILS_H__
+#define __PIMS_UTILS_H__
+
+#define UTILS_STR_EQUAL 0
+
+void utils_launch_thread(void *(*start_routine)(void *), void *data);
+const char* utils_get_zone_name_by_pid(int pid);
+
+#endif /*__PIMS_UTILS_H__*/
+
--- /dev/null
+/*
+ * PIMS IPC
+ *
+ * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define _GNU_SOURCE
+#include <pthread.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <poll.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/eventfd.h>
+
+#include <glib.h>
+
+#include "pims-internal.h"
+#include "pims-ipc-data-internal.h"
+#include "pims-ipc-data.h"
+#include "pims-socket.h"
+#include "pims-ipc-utils.h"
+#include "pims-ipc-worker.h"
+
+#define PIMS_IPC_WORKER_THREAD_WAIT_TIME 100 /* milliseconds */
+
+typedef struct {
+ pims_ipc_svc_client_disconnected_cb callback;
+ void * user_data;
+} pims_ipc_svc_client_disconnected_cb_t;
+
+/* idle_worker_pool SHOULD handle on main thread */
+static GList *idle_worker_pool;
+static GHashTable *worker_cb_table; // call_id, cb_data
+static __thread pims_ipc_svc_client_disconnected_cb_t _client_disconnected_cb = {NULL, NULL};
+
+int worker_wait_idle_worker_ready(pims_ipc_worker_data_s *worker_data)
+{
+ struct timespec timeout = {0};
+
+ clock_gettime(CLOCK_REALTIME, &timeout);
+ timeout.tv_nsec += PIMS_IPC_WORKER_THREAD_WAIT_TIME * 1000000;
+ timeout.tv_sec += timeout.tv_nsec / 1000000000L;
+ timeout.tv_nsec = timeout.tv_nsec % 1000000000L;
+
+ pthread_mutex_lock(&worker_data->ready_mutex);
+
+ if (!worker_data->fd) {
+ WARN("worker fd is null, wait until worker thread create done.");
+ if (pthread_cond_timedwait(&worker_data->ready, &worker_data->ready_mutex, &timeout)) {
+ ERR("Get idle worker timeout Fail!");
+ pthread_mutex_unlock(&worker_data->ready_mutex);
+ return -1;
+ }
+ }
+
+ pthread_mutex_unlock(&worker_data->ready_mutex);
+ return 0;
+}
+
+pims_ipc_worker_data_s* worker_get_idle_worker(pims_ipc_svc_s *ipc_svc,
+ const char *client_id)
+{
+ pims_ipc_worker_data_s *worker_data;
+
+ RETV_IF(NULL == client_id, NULL);
+ RETVM_IF(NULL == idle_worker_pool, NULL, "There is no idle worker");
+
+ worker_data = g_hash_table_lookup(ipc_svc->client_worker_map, client_id);
+ if (worker_data)
+ return worker_data;
+
+ worker_data = idle_worker_pool->data;
+
+ idle_worker_pool = g_list_delete_link(idle_worker_pool, idle_worker_pool);
+
+ if (worker_data)
+ g_hash_table_insert(ipc_svc->client_worker_map, g_strdup(client_id), worker_data);
+
+ return worker_data;
+}
+
+pims_ipc_worker_data_s* worker_find(pims_ipc_svc_s *ipc_svc, const char *client_id)
+{
+ pims_ipc_worker_data_s *worker_data;
+
+ RETV_IF(NULL == client_id, NULL);
+
+ if (FALSE == g_hash_table_lookup_extended(ipc_svc->client_worker_map, client_id,
+ NULL, (gpointer*)&worker_data)) {
+ ERR("g_hash_table_lookup_extended(%s) Fail", client_id);
+ return NULL;
+ }
+
+ return worker_data;
+}
+
+void worker_stop_client_worker(pims_ipc_svc_s *ipc_svc, const char *client_id)
+{
+ pims_ipc_worker_data_s *worker_data;
+
+ worker_data = worker_find(ipc_svc, client_id);
+
+ // remove client_fd
+ g_hash_table_remove(ipc_svc->client_worker_map, client_id);
+
+ // stop worker thread
+ if (worker_data) {
+ worker_data->stop_thread = TRUE;
+ worker_data->client_fd = -1;
+ write_command(worker_data->fd, 1);
+ DBG("write command to worker terminate(worker_fd:%d)", worker_data->fd);
+ }
+}
+
+
+void worker_free_raw_data(void *data)
+{
+ pims_ipc_raw_data_s *raw_data = data;
+
+ if (NULL == raw_data)
+ return;
+
+ free(raw_data->client_id);
+ free(raw_data->call_id);
+ free(raw_data->data);
+ free(raw_data);
+}
+
+void worker_free_data(gpointer data)
+{
+ pims_ipc_worker_data_s *worker_data = data;
+
+ pthread_mutex_lock(&worker_data->queue_mutex);
+ if (worker_data->list)
+ g_list_free_full(worker_data->list, worker_free_raw_data);
+ pthread_mutex_unlock(&worker_data->queue_mutex);
+
+ pthread_cond_destroy(&worker_data->ready);
+ pthread_mutex_destroy(&worker_data->ready_mutex);
+
+ free(worker_data);
+}
+
+
+int worker_push_raw_data(pims_ipc_worker_data_s *worker_data, int client_fd,
+ pims_ipc_raw_data_s *data)
+{
+ pthread_mutex_lock(&worker_data->queue_mutex);
+ worker_data->list = g_list_append(worker_data->list, data);
+ worker_data->client_fd = client_fd;
+ pthread_mutex_unlock(&worker_data->queue_mutex);
+
+ return TRUE;
+}
+
+static gboolean worker_pop_raw_data(pims_ipc_worker_data_s *worker,
+ pims_ipc_raw_data_s **data)
+{
+ if (!worker)
+ return FALSE;
+
+ pthread_mutex_lock(&worker->queue_mutex);
+ if (!worker->list) {
+ pthread_mutex_unlock(&worker->queue_mutex);
+ *data = NULL;
+ return FALSE;
+ }
+
+ *data = g_list_first(worker->list)->data;
+ worker->list = g_list_delete_link(worker->list, g_list_first(worker->list));
+ pthread_mutex_unlock(&worker->queue_mutex);
+
+ return TRUE;
+}
+
+int worker_set_callback(char *call_id, pims_ipc_svc_cb_s *cb_data)
+{
+ return g_hash_table_insert(worker_cb_table, call_id, cb_data);
+}
+
+
+static void __run_callback(int client_pid, char *call_id, pims_ipc_data_h dhandle_in,
+ pims_ipc_data_h *dhandle_out)
+{
+ pims_ipc_svc_cb_s *cb_data = NULL;
+
+ VERBOSE("Call id [%s]", call_id);
+
+ cb_data = g_hash_table_lookup(worker_cb_table, call_id);
+ if (cb_data == NULL) {
+ VERBOSE("No Data for %s", call_id);
+ return;
+ }
+
+ /* TODO: client_pid is not valide pims_ipc_h */
+ cb_data->callback((pims_ipc_h)client_pid, dhandle_in, dhandle_out, cb_data->user_data);
+}
+
+static void __make_raw_data(const char *call_id, int seq_no, pims_ipc_data_h data,
+ pims_ipc_raw_data_s **out)
+{
+ pims_ipc_data_s *data_in = data;
+ pims_ipc_raw_data_s *raw_data = NULL;
+
+ RET_IF(NULL == out);
+ RET_IF(NULL == call_id);
+
+ raw_data = calloc(1, sizeof(pims_ipc_raw_data_s));
+ if (NULL == raw_data) {
+ ERR("calloc() Fail(%d)", errno);
+ return;
+ }
+
+ raw_data->call_id = g_strdup(call_id);
+ raw_data->call_id_len = strlen(raw_data->call_id);
+ raw_data->seq_no = seq_no;
+
+ if (data_in && 0 < data_in->buf_size) {
+ raw_data->has_data = TRUE;
+ raw_data->data = calloc(1, data_in->buf_size+1);
+ if (NULL == raw_data->data) {
+ ERR("calloc() Fail");
+ free(raw_data);
+ return;
+ }
+ memcpy(raw_data->data, data_in->buf, data_in->buf_size);
+ raw_data->data_len = data_in->buf_size;
+ }
+ else {
+ raw_data->has_data = FALSE;
+ raw_data->data_len = 0;
+ raw_data->data = NULL;
+ }
+ *out = raw_data;
+ return;
+}
+
+static int __send_raw_data(int fd, const char *client_id, pims_ipc_raw_data_s *data)
+{
+ int ret = 0;
+ unsigned int len, total_len, client_id_len;
+
+ RETV_IF(NULL == data, -1);
+ RETV_IF(NULL == client_id, -1);
+
+ client_id_len = strlen(client_id);
+
+ len = sizeof(total_len) + sizeof(client_id_len) + client_id_len + sizeof(data->seq_no)
+ + data->call_id_len + sizeof(data->call_id) + sizeof(data->has_data);
+ total_len = len;
+
+ if (data->has_data) {
+ len += sizeof(data->data_len);
+ total_len = len + data->data_len;
+ }
+
+ INFO("client_id: %s, call_id : %s, seq no :%d, len:%d, total len :%d", client_id,
+ data->call_id, data->seq_no, len, total_len);
+
+ int length = 0;
+ char buf[len+1];
+ memset(buf, 0x0, len+1);
+
+ // total_len
+ memcpy(buf, &total_len, sizeof(total_len));
+ length += sizeof(total_len);
+
+ // client_id
+ memcpy(buf+length, &client_id_len, sizeof(client_id_len));
+ length += sizeof(client_id_len);
+ memcpy(buf+length, client_id, client_id_len);
+ length += client_id_len;
+
+ // seq_no
+ memcpy(buf+length, &(data->seq_no), sizeof(data->seq_no));
+ length += sizeof(data->seq_no);
+
+ // call id
+ memcpy(buf+length, &(data->call_id_len), sizeof(data->call_id_len));
+ length += sizeof(data->call_id_len);
+ memcpy(buf+length, data->call_id, data->call_id_len);
+ length += data->call_id_len;
+
+ // is_data
+ memcpy(buf+length, &(data->has_data), sizeof(data->has_data));
+ length += sizeof(data->has_data);
+
+ if (data->has_data) {
+ memcpy(buf+length, &(data->data_len), sizeof(data->data_len));
+ length += sizeof(data->data_len);
+ ret = socket_send(fd, buf, length);
+
+ // send data
+ if (ret > 0)
+ ret += socket_send_data(fd, data->data, data->data_len);
+ }
+ else {
+ ret = socket_send(fd, buf, length);
+ }
+
+ return ret;
+}
+
+static inline int __worker_loop_handle_raw_data(
+ pims_ipc_worker_data_s *worker_data)
+{
+ int disconnected = FALSE;
+ pims_ipc_data_h data_in = NULL;
+ pims_ipc_data_h data_out = NULL;
+ pims_ipc_raw_data_s *result = NULL;
+ pims_ipc_raw_data_s *raw_data = NULL;
+
+ if (FALSE == worker_pop_raw_data(worker_data, &raw_data))
+ return disconnected;
+
+ if (strcmp(PIMS_IPC_CALL_ID_CREATE, raw_data->call_id) == 0) {
+
+ }
+ else if (strcmp(PIMS_IPC_CALL_ID_DESTROY, raw_data->call_id) == 0) {
+ disconnected = TRUE;
+ }
+ else {
+ int client_pid;
+ struct ucred uc;
+ socklen_t uc_len = sizeof(uc);
+
+ data_in = pims_ipc_data_steal_unmarshal(raw_data->data, raw_data->data_len);
+
+ if (getsockopt(worker_data->client_fd, SOL_SOCKET, SO_PEERCRED, &uc, &uc_len) < 0) {
+ ERR("getsockopt() Failed(%d)", errno);
+ }
+ DBG("Client PID(%d)", uc.pid);
+ client_pid = uc.pid;
+
+ __run_callback(client_pid, raw_data->call_id, data_in, &data_out);
+ pims_ipc_data_destroy(data_in);
+ }
+
+ if (data_out) {
+ __make_raw_data(raw_data->call_id, raw_data->seq_no, data_out, &result);
+ pims_ipc_data_destroy(data_out);
+ }
+ else
+ __make_raw_data(raw_data->call_id, raw_data->seq_no, NULL, &result);
+
+ if (worker_data->client_fd != -1)
+ __send_raw_data(worker_data->client_fd, raw_data->client_id, result);
+ worker_free_raw_data(raw_data);
+ worker_free_raw_data(result);
+
+ return disconnected;
+}
+
+static void* __worker_loop(void *data)
+{
+ int ret;
+ pthread_t worker_id;
+ int worker_fd;
+ int disconnected = FALSE;
+ pims_ipc_worker_data_s *worker_data = data;
+
+ RETV_IF(NULL == data, NULL);
+
+ worker_fd = eventfd(0, 0);
+ if (worker_fd == -1)
+ return NULL;
+
+ INFO("worker Created ********** worker_fd = %d ***********", worker_fd);
+
+ worker_id = pthread_self();
+ worker_data->client_fd = -1;
+ worker_data->stop_thread = FALSE;
+ pthread_mutex_lock(&worker_data->ready_mutex);
+ worker_data->fd = worker_fd;
+ pthread_cond_signal(&worker_data->ready);
+ pthread_mutex_unlock(&worker_data->ready_mutex);
+
+ struct pollfd pollfds[1];
+ pollfds[0].fd = worker_fd;
+ pollfds[0].events = POLLIN;
+
+ while (!worker_data->stop_thread) {
+ ret = poll(pollfds, 1, 3000); // waiting command from router
+ if (-1 == ret) {
+ if (errno != EINTR)
+ ERR("poll() Fail(%d)", errno);
+ continue;
+ }
+ if (worker_data->stop_thread)
+ break;
+
+ if (0 == ret)
+ continue;
+
+ if (pollfds[0].revents & POLLIN) {
+ uint64_t dummy;
+ read_command(pollfds[0].fd, &dummy);
+
+ disconnected = __worker_loop_handle_raw_data(worker_data);
+ }
+ }
+
+ if (!disconnected)
+ ERR("client fd closed, worker_fd : %d", worker_fd);
+ INFO("task thread terminated --------------------------- (worker_fd : %d)", worker_fd);
+
+ worker_free_data(worker_data);
+ close(worker_fd);
+
+ if (_client_disconnected_cb.callback) {
+ _client_disconnected_cb.callback((pims_ipc_h)worker_id,
+ _client_disconnected_cb.user_data);
+ }
+
+ return NULL;
+}
+
+
+void worker_start_idle_worker(pims_ipc_svc_s *ipc_data)
+{
+ int i;
+ pims_ipc_worker_data_s *worker_data;
+
+ for (i = g_list_length(idle_worker_pool); i < ipc_data->workers_max_count; i++) {
+ worker_data = calloc(1, sizeof(pims_ipc_worker_data_s));
+ if (NULL == worker_data){
+ ERR("calloc() Fail(%d)", errno);
+ continue;
+ }
+ pthread_mutex_init(&worker_data->queue_mutex, 0);
+ pthread_mutex_init(&worker_data->ready_mutex, NULL);
+ pthread_cond_init(&worker_data->ready, NULL);
+
+ utils_launch_thread(__worker_loop, worker_data);
+ idle_worker_pool = g_list_append(idle_worker_pool, worker_data);
+ }
+}
+
+void worker_stop_idle_worker()
+{
+ GList *cursor;
+ pims_ipc_worker_data_s *worker_data;
+
+ cursor = idle_worker_pool;
+ while (cursor) {
+ worker_data = cursor->data;
+ worker_data->stop_thread = TRUE;
+ write_command(worker_data->fd, 1);
+ cursor = cursor->next;
+ }
+}
+
+void worker_init()
+{
+ worker_cb_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
+ WARN_IF(NULL == worker_cb_table, "worker cb table is NULL");
+}
+
+void worker_deinit()
+{
+ g_list_free(idle_worker_pool);
+ idle_worker_pool = NULL;
+
+ g_hash_table_destroy(worker_cb_table);
+ worker_cb_table = NULL;
+}
+
+
+API void pims_ipc_svc_set_client_disconnected_cb(
+ pims_ipc_svc_client_disconnected_cb callback, void *user_data)
+{
+ if (_client_disconnected_cb.callback) {
+ ERR("already registered");
+ return;
+ }
+ _client_disconnected_cb.callback = callback;
+ _client_disconnected_cb.user_data = user_data;
+}
+
--- /dev/null
+/*
+ * PIMS IPC
+ *
+ * Copyright (c) 2012 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __PIMS_WORKER_H__
+#define __PIMS_WORKER_H__
+
+#include "pims-ipc-data-internal.h"
+
+typedef struct {
+ pims_ipc_svc_call_cb callback;
+ void *user_data;
+} pims_ipc_svc_cb_s;
+
+void worker_init();
+void worker_deinit();
+void worker_start_idle_worker(pims_ipc_svc_s *ipc_data);
+void worker_stop_idle_worker();
+void worker_stop_client_worker(pims_ipc_svc_s *ipc_svc, const char *client_id);
+
+
+int worker_push_raw_data(pims_ipc_worker_data_s *worker_data, int client_fd,
+ pims_ipc_raw_data_s *data);
+
+int worker_wait_idle_worker_ready(pims_ipc_worker_data_s *worker_data);
+pims_ipc_worker_data_s* worker_get_idle_worker(pims_ipc_svc_s *ipc_svc, const char *client_id);
+int worker_set_callback(char *call_id, pims_ipc_svc_cb_s *cb_data);
+pims_ipc_worker_data_s* worker_find(pims_ipc_svc_s *ipc_svc, const char *client_id);
+
+void worker_free_data(gpointer data);
+void worker_free_raw_data(void *data);
+
+#endif /*__PIMS_WORKER_H__*/
+
+
#include "pims-internal.h"
#include "pims-socket.h"
-#include "pims-debug.h"
#include "pims-ipc-data.h"
#include "pims-ipc-data-internal.h"
#include "pims-ipc.h"
char *service;
char *id;
GIOChannel *async_channel;
+ guint disconnected_source;
guint async_source_id;
pthread_mutex_t call_status_mutex;
pims_ipc_call_status_e call_status;
static unsigned int ref_cnt;
static GList *subscribe_handles;
+static GList *disconnected_list;
typedef struct {
pims_ipc_server_disconnected_cb callback;
void *user_data;
+ pims_ipc_s *handle;
} pims_ipc_server_disconnected_cb_t;
+/* start deprecated */
static pims_ipc_server_disconnected_cb_t _server_disconnected_cb = {NULL, NULL};
+/* end deprecated */
static pthread_mutex_t __disconnect_cb_mutex = PTHREAD_MUTEX_INITIALIZER;
static void __sub_data_free(gpointer user_data)
{
pthread_mutex_lock(&__gmutex);
- handle->epoll_stop_thread = true;
+ handle->epoll_stop_thread = TRUE;
if (handle->fd != -1)
close(handle->fd);
+ pthread_mutex_unlock(&__gmutex);
if (handle->io_thread)
pthread_join(handle->io_thread, NULL);
+ pthread_mutex_lock(&__gmutex);
g_free(handle->id);
g_free(handle->service);
if (handle->subscribe_fd != -1)
close(handle->subscribe_fd);
+ if (0 < handle->disconnected_source)
+ g_source_remove(handle->disconnected_source);
+
pthread_mutex_destroy(&handle->call_status_mutex);
g_free(handle);
cb_data = (pims_ipc_cb_s*)g_hash_table_lookup(handle->subscribe_cb_table, data->call_id);
if (cb_data == NULL) {
- VERBOSE("unable to find %s", call_id);
+ VERBOSE("unable to find %s", data->call_id);
}
else
cb_data->callback((pims_ipc_h)handle, data->handle, cb_data->user_data);
// check if a subscriber handle is exists
if (g_list_find(subscribe_handles, handle) == NULL) {
- ERROR("No such handle that ID is %p", handle);
+ ERR("No such handle that ID is %p", handle);
pthread_mutex_unlock(&__gmutex);
return FALSE;
}
static int __pims_ipc_send_identify(pims_ipc_s *handle)
{
- unsigned int sequence_no;
+ unsigned int total_len, seq_no;
unsigned int client_id_len = strlen(handle->id);
- unsigned int len = sizeof(unsigned int) // total size
- + client_id_len + sizeof(unsigned int) // client_id
- + sizeof(unsigned int) ; // seq_no
- char buf[len+1];
+ total_len = sizeof(total_len) + sizeof(client_id_len)+client_id_len + sizeof(seq_no);
+
int length = 0;
- memset(buf, 0x0, len+1);
+ char buf[total_len+1];
+ memset(buf, 0x0, total_len+1);
- // total len
- memcpy(buf, (void*)&len, sizeof(unsigned int));
- length += sizeof(unsigned int);
+ // total total_len
+ memcpy(buf, &total_len, sizeof(total_len));
+ length += sizeof(total_len);
// client_id
- memcpy(buf+length, (void*)&(client_id_len), sizeof(unsigned int));
- length += sizeof(unsigned int);
- memcpy(buf+length, (void*)(handle->id), client_id_len);
+ memcpy(buf+length, &(client_id_len), sizeof(client_id_len));
+ length += sizeof(client_id_len);
+ memcpy(buf+length, handle->id, client_id_len);
length += client_id_len;
// seq_no
- GET_CALL_SEQUNECE_NO(handle, sequence_no);
- memcpy(buf+length, (void*)&(sequence_no), sizeof(unsigned int));
- length += sizeof(unsigned int);
+ GET_CALL_SEQUNECE_NO(handle, seq_no);
+ memcpy(buf+length, &(seq_no), sizeof(seq_no));
+ length += sizeof(seq_no);
return socket_send(handle->fd, buf, length);
}
gboolean is_ok = FALSE;
int len = 0;
pims_ipc_data_h data = NULL;
- unsigned int sequence_no = 0;
+ unsigned int seq_no = 0;
char *client_id = NULL;
char *call_id = NULL;
char *buf = NULL;
/* read the size of message. note that ioctl is non-blocking */
if (ioctl(handle->fd, FIONREAD, &len)) {
- ERROR("ioctl failed: %d", errno);
+ ERR("ioctl failed: %d", errno);
return -1;
}
/* when server or client closed socket */
if (len == 0) {
- ERROR("[IPC Socket] connection is closed");
+ ERR("[IPC Socket] connection is closed");
return -1;
}
unsigned int total_len = 0;
unsigned int client_id_len = 0;
unsigned int call_id_len = 0;
- unsigned int is_data = FALSE;
+ unsigned int has_data = FALSE;
// get total_len
- read_len = read(handle->fd, (void *)&total_len, sizeof(unsigned int));
+ read_len = read(handle->fd, &total_len, sizeof(total_len));
// client_id
- read_len += read(handle->fd, (void *)&(client_id_len), sizeof(unsigned int));
+ read_len += read(handle->fd, &(client_id_len), sizeof(client_id_len));
if (client_id_len > 0 && client_id_len < UINT_MAX-1) {
client_id = calloc(1, client_id_len+1);
if (client_id == NULL) {
- ERROR("calloc fail");
+ ERR("calloc fail");
break;
}
}
else
break;
- ret = socket_recv(handle->fd, (void *)&(client_id), client_id_len);
- if (ret < 0) { ERROR("socket_recv error"); break; }
+ ret = socket_recv(handle->fd, (void *)&client_id, client_id_len);
+ if (ret < 0) { ERR("socket_recv error"); break; }
read_len += ret;
// sequence no
- read_len += read(handle->fd, (void *)&(sequence_no), sizeof(unsigned int));
+ read_len += read(handle->fd, &seq_no, sizeof(seq_no));
if (total_len == read_len) {
// send identity
data = pims_ipc_data_create(0);
if (NULL == data) {
- ERROR("pims_ipc_data_create() Fail");
+ ERR("pims_ipc_data_create() Fail");
break;
}
ret = pims_ipc_data_put(data, client_id, client_id_len);
if (ret != 0)
- WARNING("pims_ipc_data_put fail(%d)", ret);
+ WARN("pims_ipc_data_put fail(%d)", ret);
break;
}
- read_len += read(handle->fd, (void *)&(call_id_len), sizeof(unsigned int));
+ read_len += read(handle->fd, &call_id_len, sizeof(call_id_len));
if (call_id_len > 0 && call_id_len < UINT_MAX-1) {
call_id = calloc(1, call_id_len+1);
if (call_id == NULL) {
- ERROR("calloc fail");
+ ERR("calloc fail");
break;
}
}
else
break;
- ret = socket_recv(handle->fd, (void *)&(call_id), call_id_len);
- if (ret < 0) { ERROR("socket_recv error"); break; }
+ ret = socket_recv(handle->fd, (void *)&call_id, call_id_len);
+ if (ret < 0) { ERR("socket_recv error"); break; }
read_len += ret;
- read_len += read(handle->fd, (void *)&(is_data), sizeof(unsigned int));
- if (is_data) {
+ read_len += read(handle->fd, &has_data, sizeof(has_data));
+ if (has_data) {
unsigned int data_len;
- read_len += read(handle->fd, (void *)&(data_len), sizeof(unsigned int));
+ read_len += read(handle->fd, &data_len, sizeof(data_len));
if (data_len > 0 && data_len < UINT_MAX-1) {
buf = calloc(1, data_len+1);
if (buf == NULL) {
- ERROR("calloc fail");
+ ERR("calloc fail");
break;
}
}
else
break;
- ret = socket_recv(handle->fd, (void *)&(buf), data_len);
- if (ret < 0) { ERROR("socket_recv error"); break; }
+ ret = socket_recv(handle->fd, (void *)&buf, data_len);
+ if (ret < 0) { ERR("socket_recv error"); break; }
read_len += ret;
data = pims_ipc_data_steal_unmarshal(buf, data_len);
- buf = NULL;
}
- INFO("client_id :%s, call_id : %s, seq_no : %d", client_id, call_id, sequence_no);
+ INFO("client_id :%s, call_id : %s, seq_no : %d", client_id, call_id, seq_no);
} while(0);
free(client_id);
free(call_id);
free(buf);
- if (sequence_no == handle->call_sequence_no) {
+ if (seq_no == handle->call_sequence_no) {
if (data_out != NULL) {
*data_out = data;
}
else {
if (data)
pims_ipc_data_destroy(data);
- VERBOSE("received an mismatched response (%x:%x)", handle->call_sequence_no, sequence_no);
+ VERBOSE("received an mismatched response (%x:%x)", handle->call_sequence_no, seq_no);
}
if (is_ok)
static int __pims_ipc_receive(pims_ipc_s *handle, pims_ipc_data_h *data_out)
{
int ret = -1;
- struct pollfd *pollfds = (struct pollfd*) malloc (1 * sizeof (struct pollfd));
- if (NULL == pollfds) {
- ERROR("malloc() Fail");
- return -1;
- }
+ struct pollfd pollfds[1];
pollfds[0].fd = handle->fd;
pollfds[0].events = POLLIN | POLLERR | POLLHUP;
if (ret > 0) {
if (pollfds[0].revents & (POLLERR|POLLHUP)) {
- ERROR("Server disconnected");
+ ERR("Server disconnected");
ret = -1;
break;
}
}
}
}
- free (pollfds);
+
return ret;
}
static int __open_subscribe_fd(pims_ipc_s *handle)
{
+ int ret;
+ int flags;
// router inproc eventfd
int subscribe_fd = eventfd(0,0);
- int flags;
- int ret;
if (-1 == subscribe_fd) {
- ERROR("eventfd error : %d", errno);
+ ERR("eventfd error : %d", errno);
return -1;
}
VERBOSE("subscribe :%d\n", subscribe_fd);
- flags = fcntl (subscribe_fd, F_GETFL, 0);
+ flags = fcntl(subscribe_fd, F_GETFL, 0);
if (flags == -1)
flags = 0;
- ret = fcntl (subscribe_fd, F_SETFL, flags | O_NONBLOCK);
- VERBOSE("subscribe fcntl : %d\n", ret);
+ ret = fcntl(subscribe_fd, F_SETFL, flags | O_NONBLOCK);
+ if (-1 == ret)
+ ERR("fcntl() Fail(%d)", errno);
handle->subscribe_fd = subscribe_fd;
return 0;
do {
/* read the size of message. note that ioctl is non-blocking */
if (ioctl(handle->fd, FIONREAD, &len)) {
- ERROR("ioctl failed: %d", errno);
+ ERR("ioctl failed: %d", errno);
break;
}
unsigned int read_len = 0;
unsigned int total_len = 0;
unsigned int call_id_len = 0;
- unsigned int is_data = FALSE;
+ unsigned int has_data = FALSE;
// get total_len
- read_len = read(handle->fd, (void *)&total_len, sizeof(unsigned int));
+ read_len = read(handle->fd, &total_len, sizeof(total_len));
// call_id
- read_len += read(handle->fd, (void *)&(call_id_len), sizeof(unsigned int));
+ read_len += read(handle->fd, &call_id_len, sizeof(call_id_len));
if (call_id_len > 0 && call_id_len < UINT_MAX-1) {
call_id = calloc(1, call_id_len+1);
if (call_id == NULL) {
- ERROR("calloc fail");
+ ERR("calloc fail");
break;
}
}
else
break;
- ret = socket_recv(handle->fd, (void *)&(call_id), call_id_len);
- if (ret < 0) { ERROR("socket_recv error"); break; }
+ ret = socket_recv(handle->fd, (void *)&call_id, call_id_len);
+ if (ret < 0) { ERR("socket_recv error"); break; }
read_len += ret;
- // is_data
- read_len += read(handle->fd, (void *)&(is_data), sizeof(unsigned int));
+ // has_data
+ read_len += read(handle->fd, &has_data, sizeof(has_data));
- if (is_data) {
+ if (has_data) {
unsigned int data_len;
- read_len += read(handle->fd, (void *)&(data_len), sizeof(unsigned int));
+ read_len += read(handle->fd, &data_len, sizeof(data_len));
if (data_len > 0 && data_len < UINT_MAX-1) {
buf = calloc(1, data_len+1);
if (buf == NULL) {
- ERROR("calloc fail");
+ ERR("calloc fail");
break;
}
}
else
break;
- ret = socket_recv(handle->fd, (void *)&(buf), data_len);
- if (ret < 0) { ERROR("socket_recv error"); break; }
+ ret = socket_recv(handle->fd, (void *)&buf, data_len);
+ if (ret < 0) {
+ ERR("socket_recv error");
+ break;
+ }
read_len += ret;
dhandle = pims_ipc_data_steal_unmarshal(buf, data_len);
- buf = NULL;
- pims_ipc_subscribe_data_s *sub_data = (pims_ipc_subscribe_data_s *)calloc(1, sizeof(pims_ipc_subscribe_data_s));
+ pims_ipc_subscribe_data_s *sub_data;
+ sub_data = calloc(1, sizeof(pims_ipc_subscribe_data_s));
if (NULL == sub_data) {
- ERROR("calloc() Fail");
- free(dhandle);
+ ERR("calloc() Fail");
+ pims_ipc_data_destroy(dhandle);
+ ret = -1;
break;
}
sub_data->handle = dhandle;
write_command(handle->subscribe_fd, 1);
}
ret = 0;
- }while(0);
+ } while(0);
free(call_id);
free(buf);
static gboolean __hung_up_cb(gpointer data)
{
+ GList *cursor = NULL;
+
+ if (NULL == disconnected_list) {
+ DBG("No disconnected list");
+ return FALSE;
+ }
+
pthread_mutex_lock(&__disconnect_cb_mutex);
- if (_server_disconnected_cb.callback)
- _server_disconnected_cb.callback(_server_disconnected_cb.user_data);
+ cursor = g_list_first(disconnected_list);
+ while (cursor) {
+ pims_ipc_server_disconnected_cb_t *disconnected = cursor->data;
+ if (disconnected && disconnected->handle == data && disconnected->callback) {
+ DBG("call hung_up callback");
+ disconnected->callback(disconnected->user_data);
+ break;
+ }
+ cursor = g_list_next(cursor);
+ }
pthread_mutex_unlock(&__disconnect_cb_mutex);
+
return FALSE;
}
epfd = epoll_create(MAX_EPOLL_EVENT);
+ pthread_mutex_lock(&__gmutex);
+
ev.events = EPOLLIN | EPOLLHUP;
ev.data.fd = handle->fd;
ret = epoll_ctl(epfd, EPOLL_CTL_ADD, handle->fd, &ev);
WARN_IF(ret != 0, "listen error :%d", ret);
+ pthread_mutex_unlock(&__gmutex);
+
- while (!handle->epoll_stop_thread) {
+ while (1) {
int i = 0;
+
+ pthread_mutex_lock(&__gmutex);
+
+ if (handle->epoll_stop_thread) {
+ pthread_mutex_unlock(&__gmutex);
+ break;
+ }
+ pthread_mutex_unlock(&__gmutex);
+
struct epoll_event events[MAX_EPOLL_EVENT] = {{0}, };
int event_num = epoll_wait(epfd, events, MAX_EPOLL_EVENT, 50);
- if (handle->epoll_stop_thread)
+ pthread_mutex_lock(&__gmutex);
+
+ if (handle->epoll_stop_thread) {
+ pthread_mutex_unlock(&__gmutex);
break;
+ }
+ pthread_mutex_unlock(&__gmutex);
if (event_num == -1) {
if (errno != EINTR && errno != EAGAIN && errno != EWOULDBLOCK) {
- ERROR("errno:%d\n", errno);
+ ERR("errno:%d\n", errno);
break;
}
}
+ pthread_mutex_lock(&__gmutex);
for (i = 0; i < event_num; i++) {
if (events[i].events & EPOLLHUP) {
- ERROR("server fd closed");
- g_idle_add(__hung_up_cb, NULL);
- handle->epoll_stop_thread = true;
+ ERR("server fd closed");
+ g_idle_add(__hung_up_cb, handle);
+ handle->epoll_stop_thread = TRUE;
break;
}
if (events[i].events & EPOLLIN) {
if(__subscribe_data(handle) < 0) {
- ERROR("server fd closed");
- g_idle_add(__hung_up_cb, NULL);
+ ERR("server fd closed");
+ g_idle_add(__hung_up_cb, handle);
+ handle->epoll_stop_thread = TRUE;
break;
}
}
}
+ pthread_mutex_unlock(&__gmutex);
}
close(epfd);
pthread_exit(NULL);
}
+static gboolean _g_io_hup_cb(GIOChannel *src, GIOCondition condition, gpointer data)
+{
+ if (G_IO_HUP & condition) {
+ DBG("hung up");
+ __hung_up_cb(data);
+ return FALSE;
+ } else if (G_IO_IN & condition) {
+ char buf[1] = {0};
+ if (0 == recv(((pims_ipc_s *)data)->fd, buf, sizeof(buf), MSG_PEEK)) {
+ DBG("hung up");
+ __hung_up_cb(data);
+ return FALSE;
+ }
+ } else {
+ ERR("Invalid condition (%d)", condition);
+ }
+ return TRUE;
+}
+
static pims_ipc_h __pims_ipc_create(char *service, pims_ipc_mode_e mode)
{
pims_ipc_s *handle = NULL;
handle = g_new0(pims_ipc_s, 1);
if (handle == NULL) {
- ERROR("Failed to allocation");
+ ERR("Failed to allocation");
break;
}
handle->id = g_strdup_printf("%x:%x", getpid(), __get_global_sequence_no());
handle->fd = socket(PF_UNIX, SOCK_STREAM, 0);
if (handle->fd < 0) {
- ERROR("socket error : %d, errno: %d", handle->fd, errno);
+ ERR("socket error : %d, errno: %d", handle->fd, errno);
break;
}
int flags = fcntl (handle->fd, F_GETFL, 0);
ret = connect(handle->fd, (struct sockaddr *)&server_addr, sizeof(server_addr));
if (ret != 0) {
- ERROR("connect error : %d, errno: %d", ret, errno);
+ ERR("connect error : %d, errno: %d", ret, errno);
break;
}
VERBOSE("connect to server : socket:%s, client_sock:%d, %d\n", handle->service, handle->fd, ret);
if (mode == PIMS_IPC_MODE_REQ) {
+ GIOChannel *ch = g_io_channel_unix_new(handle->fd);
+ handle->disconnected_source = g_io_add_watch(ch, G_IO_IN|G_IO_HUP, _g_io_hup_cb, handle);
+ g_io_channel_unref(ch);
+
handle->call_sequence_no = (unsigned int)time(NULL);
ret = __pims_ipc_send_identify(handle);
if (ret < 0) {
- ERROR("__pims_ipc_send_identify error");
+ ERR("__pims_ipc_send_identify error");
break;
}
__pims_ipc_receive(handle, NULL);
if (pims_ipc_call(handle, PIMS_IPC_MODULE_INTERNAL, PIMS_IPC_FUNCTION_CREATE, NULL, NULL) != 0) {
- WARNING("pims_ipc_call(PIMS_IPC_FUNCTION_CREATE) failed");
+ WARN("pims_ipc_call(PIMS_IPC_FUNCTION_CREATE) failed");
}
}
else {
- handle->epoll_stop_thread = false;
+ handle->epoll_stop_thread = FALSE;
pthread_mutex_init(&handle->data_queue_mutex, 0);
pthread_mutex_lock(&handle->data_queue_mutex);
GIOChannel *async_channel = g_io_channel_unix_new(handle->subscribe_fd);
if (!async_channel) {
- ERROR("g_io_channel_unix_new error");
+ ERR("g_io_channel_unix_new error");
break;
}
handle->async_channel = async_channel;
- handle->async_source_id = g_io_add_watch(handle->async_channel, G_IO_IN|G_IO_HUP, __pims_ipc_subscribe_handler, handle);
- handle->subscribe_cb_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
+ handle->async_source_id = g_io_add_watch(handle->async_channel,
+ G_IO_IN|G_IO_HUP, __pims_ipc_subscribe_handler, handle);
+ handle->subscribe_cb_table = g_hash_table_new_full(g_str_hash, g_str_equal,
+ g_free, g_free);
ASSERT(handle->subscribe_cb_table);
// add a subscriber handle to the global list
static void __pims_ipc_destroy(pims_ipc_h ipc, pims_ipc_mode_e mode)
{
- pims_ipc_s *handle = (pims_ipc_s *)ipc;
+ pims_ipc_s *handle = ipc;
if (mode == PIMS_IPC_MODE_REQ) {
- if (pims_ipc_call(handle, PIMS_IPC_MODULE_INTERNAL, PIMS_IPC_FUNCTION_DESTROY, NULL, NULL) != 0) {
- WARNING("pims_ipc_call(PIMS_IPC_FUNCTION_DESTROY) failed");
+ if (pims_ipc_call(handle, PIMS_IPC_MODULE_INTERNAL, PIMS_IPC_FUNCTION_DESTROY,
+ NULL, NULL) != 0) {
+ WARN("pims_ipc_call(PIMS_IPC_FUNCTION_DESTROY) failed");
}
}
static int __pims_ipc_send(pims_ipc_s *handle, char *module, char *function, pims_ipc_data_h data_in)
{
int ret = -1;
- unsigned int sequence_no = 0;
+ int length = 0;
+ unsigned int total_len;
+ unsigned int seq_no = 0;
gchar *call_id = PIMS_IPC_MAKE_CALL_ID(module, function);
unsigned int call_id_len = strlen(call_id);
pims_ipc_data_s *data = NULL;
- unsigned int is_data = FALSE;
+ unsigned int has_data = FALSE;
unsigned int client_id_len = strlen(handle->id);
- int length = 0;
-
- GET_CALL_SEQUNECE_NO(handle, sequence_no);
- int len = sizeof(unsigned int) // total size
- + client_id_len + sizeof(unsigned int) // client_id
- + sizeof(unsigned int) // seq_no
- + call_id_len + sizeof(unsigned int) // call_id
- + sizeof(unsigned int); // is data
+ GET_CALL_SEQUNECE_NO(handle, seq_no);
- int total_len = len;
+ int len = sizeof(total_len) + sizeof(client_id_len) + client_id_len + sizeof(seq_no)
+ + call_id_len + sizeof(call_id_len) + sizeof(has_data);
+ total_len = len;
if (data_in) {
- is_data = TRUE;
- data = (pims_ipc_data_s*)data_in;
+ has_data = TRUE;
+ data = data_in;
len += sizeof(unsigned int);
total_len = len + data->buf_size;
}
- INFO("len : %d, client_id : %s, call_id : %s, seq_no :%d", len, handle->id, call_id, sequence_no);
+ INFO("len(%d),client_id(%s),call_id(%s),seq_no(%d)",len, handle->id, call_id, seq_no);
char buf[len+1];
-
memset(buf, 0x0, len+1);
- memcpy(buf, (void*)&total_len, sizeof(unsigned int));
- length += sizeof(unsigned int);
+ memcpy(buf, &total_len, sizeof(total_len));
+ length += sizeof(total_len);
// client_id
client_id_len = strlen(handle->id);
- memcpy(buf+length, (void*)&(client_id_len), sizeof(unsigned int));
- length += sizeof(unsigned int);
- memcpy(buf+length, (void*)(handle->id), client_id_len);
+ memcpy(buf+length, &client_id_len, sizeof(client_id_len));
+ length += sizeof(client_id_len);
+ memcpy(buf+length, handle->id, client_id_len);
length += client_id_len;
// seq_no
- memcpy(buf+length, (void*)&(sequence_no), sizeof(unsigned int));
- length += sizeof(unsigned int);
+ memcpy(buf+length, &seq_no, sizeof(seq_no));
+ length += sizeof(seq_no);
// call id
- memcpy(buf+length, (void*)&(call_id_len), sizeof(unsigned int));
- length += sizeof(unsigned int);
- memcpy(buf+length, (void*)(call_id), call_id_len);
+ memcpy(buf+length, &call_id_len, sizeof(call_id_len));
+ length += sizeof(call_id_len);
+ memcpy(buf+length, call_id, call_id_len);
length += call_id_len;
g_free(call_id);
- // is_data
- memcpy(buf+length, (void*)&(is_data), sizeof(unsigned int));
- length += sizeof(unsigned int);
+ // has_data
+ memcpy(buf+length, &has_data, sizeof(has_data));
+ length += sizeof(has_data);
- if (is_data) {
- memcpy(buf+length, (void*)&(data->buf_size), sizeof(unsigned int));
- length += sizeof(unsigned int);
+ if (has_data) {
+ memcpy(buf+length, &(data->buf_size), sizeof(data->buf_size));
+ length += sizeof(data->buf_size);
ret = socket_send(handle->fd, buf, length);
if (ret > 0)
API int pims_ipc_call(pims_ipc_h ipc, char *module, char *function, pims_ipc_data_h data_in,
pims_ipc_data_h *data_out)
{
- pims_ipc_s *handle = (pims_ipc_s *)ipc;
+ pims_ipc_s *handle = ipc;
-
- if (ipc == NULL) {
- ERROR("invalid handle : %p", ipc);
- return -1;
- }
-
- if (!module || !function) {
- ERROR("invalid argument");
- return -1;
- }
+ RETV_IF(NULL == ipc, -1);
+ RETV_IF(NULL == module, -1);
+ RETV_IF(NULL == function, -1);
pthread_mutex_lock(&handle->call_status_mutex);
if (handle->call_status != PIMS_IPC_CALL_STATUS_READY) {
pthread_mutex_unlock(&handle->call_status_mutex);
- ERROR("the previous call is in progress : %p", ipc);
+ ERR("the previous call is in progress : %p", ipc);
return -1;
}
pthread_mutex_unlock(&handle->call_status_mutex);
-
- if (__pims_ipc_send(handle, module, function, data_in) != 0) {
+ if (__pims_ipc_send(handle, module, function, data_in) != 0)
return -1;
- }
- if (__pims_ipc_receive(handle, data_out) != 0) {
+ if (__pims_ipc_receive(handle, data_out) != 0)
return -1;
- }
return 0;
}
static gboolean __call_async_idler_cb(gpointer data)
{
- VERBOSE("");
+ pims_ipc_s *handle = data;
+ pims_ipc_data_h dhandle;
- pims_ipc_s *handle = (pims_ipc_s *)data;
- ASSERT(handle);
- ASSERT(handle->dhandle_for_async_idler);
- pims_ipc_data_h dhandle = handle->dhandle_for_async_idler;
+ RETV_IF(NULL == handle, FALSE);
+
+ dhandle = handle->dhandle_for_async_idler;
handle->dhandle_for_async_idler = NULL;
pthread_mutex_lock(&handle->call_status_mutex);
return FALSE;
}
-static gboolean __pims_ipc_call_async_handler(GIOChannel *src, GIOCondition condition, gpointer data)
+static gboolean __pims_ipc_call_async_handler(GIOChannel *src, GIOCondition condition,
+ gpointer data)
{
- pims_ipc_s *handle = (pims_ipc_s *)data;
+ pims_ipc_s *handle = data;
pims_ipc_data_h dhandle = NULL;
if (__pims_ipc_receive(handle, &dhandle) == 0) {
handle->call_status = PIMS_IPC_CALL_STATUS_READY;
pthread_mutex_unlock(&handle->call_status_mutex);
- handle->call_async_callback((pims_ipc_h)handle, dhandle, handle->call_async_userdata);
+ handle->call_async_callback((pims_ipc_h)handle, dhandle,
+ handle->call_async_userdata);
pims_ipc_data_destroy(dhandle);
}
}
return FALSE;
}
-API int pims_ipc_call_async(pims_ipc_h ipc, char *module, char *function, pims_ipc_data_h data_in,
- pims_ipc_call_async_cb callback, void *userdata)
+API int pims_ipc_call_async(pims_ipc_h ipc, char *module, char *function,
+ pims_ipc_data_h data_in, pims_ipc_call_async_cb callback, void *userdata)
{
- pims_ipc_s *handle = (pims_ipc_s *)ipc;
+ pims_ipc_s *handle = ipc;
guint source_id = 0;
- if (ipc == NULL) {
- ERROR("invalid handle : %p", ipc);
- return -1;
- }
-
- if (!module || !function || !callback) {
- ERROR("invalid argument");
- return -1;
- }
+ RETV_IF(NULL == ipc, -1);
+ RETV_IF(NULL == module, -1);
+ RETV_IF(NULL == function, -1);
+ RETV_IF(NULL == callback, -1);
pthread_mutex_lock(&handle->call_status_mutex);
if (handle->call_status != PIMS_IPC_CALL_STATUS_READY) {
pthread_mutex_unlock(&handle->call_status_mutex);
- ERROR("the previous call is in progress : %p", ipc);
+ ERR("the previous call is in progress : %p", ipc);
return -1;
}
pthread_mutex_unlock(&handle->call_status_mutex);
if (!handle->async_channel) {
handle->async_channel = g_io_channel_unix_new(handle->fd);
if (!handle->async_channel) {
- ERROR("g_io_channel_unix_new error");
+ ERR("g_io_channel_unix_new error");
return -1;
}
}
- source_id = g_io_add_watch(handle->async_channel, G_IO_IN, __pims_ipc_call_async_handler, handle);
+ source_id = g_io_add_watch(handle->async_channel, G_IO_IN,
+ __pims_ipc_call_async_handler, handle);
handle->async_source_id = source_id;
if (__pims_ipc_send(handle, module, function, data_in) != 0) {
return 0;
}
-API bool pims_ipc_is_call_in_progress(pims_ipc_h ipc)
+API int pims_ipc_is_call_in_progress(pims_ipc_h ipc)
{
int ret;
- pims_ipc_s *handle = (pims_ipc_s *)ipc;
+ pims_ipc_s *handle = ipc;
- if (ipc == NULL) {
- ERROR("invalid handle : %p", ipc);
- return false;
- }
+ RETV_IF(NULL == ipc, FALSE);
pthread_mutex_lock(&handle->call_status_mutex);
if (handle->call_status == PIMS_IPC_CALL_STATUS_IN_PROGRESS)
- ret = true;
+ ret = TRUE;
else
- ret = false;
+ ret = FALSE;
pthread_mutex_unlock(&handle->call_status_mutex);
return ret;
}
-API int pims_ipc_subscribe(pims_ipc_h ipc, char *module, char *event, pims_ipc_subscribe_cb callback, void *userdata)
+API int pims_ipc_subscribe(pims_ipc_h ipc, char *module, char *event,
+ pims_ipc_subscribe_cb callback, void *userdata)
{
gchar *call_id = NULL;
+ pims_ipc_s *handle = ipc;
pims_ipc_cb_s *cb_data = NULL;
- pims_ipc_s *handle = (pims_ipc_s *)ipc;
-
- if (ipc == NULL || handle->subscribe_cb_table == NULL) {
- ERROR("invalid handle : %p", ipc);
- return -1;
- }
- if (!module || !event || !callback) {
- ERROR("invalid argument");
- return -1;
- }
+ RETV_IF(NULL == ipc, -1);
+ RETV_IF(NULL == module, -1);
+ RETV_IF(NULL == event, -1);
+ RETV_IF(NULL == callback, -1);
+ RETV_IF(NULL == handle->subscribe_cb_table, -1);
cb_data = g_new0(pims_ipc_cb_s, 1);
call_id = PIMS_IPC_MAKE_CALL_ID(module, event);
API int pims_ipc_unsubscribe(pims_ipc_h ipc, char *module, char *event)
{
gchar *call_id = NULL;
- pims_ipc_s *handle = (pims_ipc_s *)ipc;
+ pims_ipc_s *handle = ipc;
- if (ipc == NULL || handle->subscribe_cb_table == NULL) {
- ERROR("invalid handle : %p", ipc);
- return -1;
- }
-
- if (!module || !event) {
- ERROR("invalid argument");
- return -1;
- }
+ RETV_IF(NULL == ipc, -1);
+ RETV_IF(NULL == module, -1);
+ RETV_IF(NULL == event, -1);
+ RETV_IF(NULL == handle->subscribe_cb_table, -1);
call_id = PIMS_IPC_MAKE_CALL_ID(module, event);
VERBOSE("unsubscribe cb id[%s]", call_id);
if (g_hash_table_remove(handle->subscribe_cb_table, call_id) != TRUE) {
- ERROR("g_hash_table_remove error");
+ ERR("g_hash_table_remove error");
g_free(call_id);
return -1;
}
return 0;
}
+API int pims_ipc_add_server_disconnected_cb(pims_ipc_h handle,
+ pims_ipc_server_disconnected_cb callback, void *user_data)
+{
+ GList *cursor = NULL;
+
+ /* check already existed */
+ pthread_mutex_lock(&__disconnect_cb_mutex);
+ cursor = g_list_first(disconnected_list);
+ while (cursor) {
+ pims_ipc_server_disconnected_cb_t *disconnected = cursor->data;
+ if (disconnected && disconnected->handle == handle) {
+ ERR("Already set callback");
+ pthread_mutex_unlock(&__disconnect_cb_mutex);
+ return -1;
+ }
+ cursor = g_list_next(cursor);
+ }
+ pthread_mutex_unlock(&__disconnect_cb_mutex);
+
+ /* append callback */
+ pims_ipc_server_disconnected_cb_t *disconnected = NULL;
+ disconnected = calloc(1, sizeof(pims_ipc_server_disconnected_cb_t));
+ if (NULL == disconnected) {
+ ERR("Calloc() Fail");
+ return -1;
+ }
+ DBG("add disconnected");
+ disconnected->handle = handle;
+ disconnected->callback = callback;
+ disconnected->user_data = user_data;
+
+ pthread_mutex_lock(&__disconnect_cb_mutex);
+ disconnected_list = g_list_append(disconnected_list, disconnected);
+ pthread_mutex_unlock(&__disconnect_cb_mutex);
+
+ return 0;
+}
+
+API int pims_ipc_remove_server_disconnected_cb(pims_ipc_h handle)
+{
+ pthread_mutex_lock(&__disconnect_cb_mutex);
+
+ GList *cursor = NULL;
+ cursor = g_list_first(disconnected_list);
+ while (cursor) {
+ pims_ipc_server_disconnected_cb_t *disconnected = cursor->data;
+ if (disconnected && disconnected->handle == handle) {
+ free(disconnected);
+ disconnected_list = g_list_delete_link(disconnected_list, cursor);
+ DBG("remove disconnected_cb");
+ break;
+ }
+ cursor = g_list_next(cursor);
+ }
+ pthread_mutex_unlock(&__disconnect_cb_mutex);
+
+ return 0;
+}
+
+/* start deprecated */
API int pims_ipc_unset_server_disconnected_cb()
{
pthread_mutex_lock(&__disconnect_cb_mutex);
return 0;
}
-API int pims_ipc_set_server_disconnected_cb(pims_ipc_server_disconnected_cb callback, void *user_data)
+API int pims_ipc_set_server_disconnected_cb(pims_ipc_server_disconnected_cb callback,
+ void *user_data)
{
pthread_mutex_lock(&__disconnect_cb_mutex);
_server_disconnected_cb.callback = callback;
pthread_mutex_unlock(&__disconnect_cb_mutex);
return 0;
}
+/* end deprecated */
* limitations under the License.
*/
+#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
+#include <unistd.h>
#include <string.h>
#include <glib.h>
#include <errno.h>
+#include <sys/types.h>
#include <sys/socket.h>
+#include <sys/ioctl.h>
#include <sys/un.h>
+#include <systemd/sd-daemon.h>
+#include <sys/stat.h>
+#include <aul.h>
#include "pims-internal.h"
-#include "pims-debug.h"
+#include "pims-ipc-data-internal.h"
+#include "pims-ipc-worker.h"
+#include "pims-ipc-utils.h"
#include "pims-socket.h"
-#define MAX_ARRAY_LEN 65535
+#define MAX_ARRAY_LEN 65535
+#define PIMS_WAIT_MSEC 1000
-int socket_send(int fd, char *buf, int len)
+static int _get_pid(int fd)
{
- if (!buf || len <= 0) {
- INFO("No data to send %p, %d", buf, len);
+ int ret = 0;
+ struct ucred uc = {0};
+ socklen_t uc_len = sizeof(uc);
+ ret = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &uc, &uc_len);
+ if (ret < 0) {
+ ERR("getsockopt() Fail(%d)", errno);
return -1;
}
+ return uc.pid;
+}
+
+static bool _is_send_block(int fd)
+{
+ int ret = 0;
+ int queue_size = 0;
+ ioctl(fd, TIOCOUTQ, &queue_size);
+
+ int buf_size = 0;
+ int rn = sizeof(int);
+ ret = getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &buf_size, (socklen_t *)&rn);
+ if (ret < 0) {
+ ERR("getsockopt() Fail(%d)", errno);
+ DBG("remain size(%d)", queue_size);
+ return false;
+ }
+ if (buf_size < queue_size) {
+ DBG("send : buffer size(%d) < queue size(%d)", buf_size, queue_size);
+ return true;
+ }
+ return false;
+}
+
+static int _sub_timespec_in_msec(struct timespec *st)
+{
+ struct timespec et = {0};
+ clock_gettime(CLOCK_REALTIME, &et);
+
+ /* 3 digits for sec, 3 digits for msec */
+ int s_msec = ((st->tv_sec % 1000) * 1000) + (st->tv_nsec / 1000000);
+ int e_msec = ((et.tv_sec % 1000) * 1000) + (et.tv_nsec / 1000000);
+ return e_msec - s_msec;
+}
+int socket_send(int fd, char *buf, int len)
+{
int length = len;
int passed_len = 0;
int write_len = 0;
+ bool retry = false;
+ struct timespec st = {0};
+
+ RETV_IF(NULL == buf, -1);
+ RETVM_IF(len <= 0, -1, "Invalid length(%d)", len);
+
while (length > 0) {
- passed_len = send(fd, (const void *)buf, length, MSG_NOSIGNAL);
+ passed_len = send(fd, (const void *)buf, length, MSG_DONTWAIT | MSG_NOSIGNAL);
if (passed_len == -1) {
- if (errno == EINTR)
- continue;
- else if (errno == EAGAIN)
+ if (errno == EINTR){
+ ERR("EINTR error. send retry");
continue;
- else if (errno == EWOULDBLOCK)
+ }
+ else if (errno == EAGAIN) { /* same as EWOULDBLOCK */
+ if (false == retry) {
+ clock_gettime(CLOCK_REALTIME, &st);
+ retry = true;
+ }
+ else {
+ int diff_msec = _sub_timespec_in_msec(&st);
+ if (PIMS_WAIT_MSEC < diff_msec) {
+ ERR("EAGAIN error. send retry");
+ DBG("send timestamp (%d.%d)sec and wait (%d)msec", st.tv_sec, st.tv_nsec, diff_msec);
+ int pid = _get_pid(fd);
+ if (true == _is_send_block(fd)) {
+ DBG("send blocked. kill fd(%d) pid(%d)", fd, pid);
+ aul_terminate_bgapp_pid(pid);
+ return -1;
+ }
+ else {
+ DBG("reset timeout and wait (%d)msec", PIMS_WAIT_MSEC);
+ clock_gettime(CLOCK_REALTIME, &st);
+ }
+ }
+ }
continue;
- ERROR("send error [%d]", errno);
+ }
+ ERR("send error [%d]", errno);
break;
- } else if (passed_len == 0)
+ } else if (passed_len == 0) {
break;
+ }
+
length -= passed_len;
buf += passed_len;
+
+ retry = false;
}
write_len = len - length;
if (write_len != len) {
- WARNING("WARNING: buf_size [%d] != write_len[%d]", len, write_len);
+ WARN("WARN: buf_size [%d] != write_len[%d]", len, write_len);
return -1;
}
VERBOSE("write_len [%d]", write_len);
int socket_recv(int fd, void **buf, unsigned int len)
{
- if (!buf) {
- INFO("Buffer must not null");
- return -1;
- }
-
unsigned int length = len;
int read_len = 0;
int final_len = 0;
char *temp = *buf;
+ RETV_IF(NULL == *buf, -1);
+
while (length > 0) {
read_len = read(fd, (void *)temp, length);
if (read_len < 0) {
else if (errno == EWOULDBLOCK)
continue;
else if (errno == EPIPE) {
- ERROR("connection closed : read err %d", errno, read_len, length);
+ ERR("connection closed : read err %d", errno, read_len, length);
free(*buf);
*buf = NULL;
return 0; /* connection closed */
}
- ERROR("read err %d, read_len :%d, length : %d", errno, read_len, length);
+ ERR("read err %d, read_len :%d, length : %d", errno, read_len, length);
final_len = read_len;
break;
} else if (read_len == 0)
final_len = (len-length);
if (len != final_len) {
- WARNING("WARNING: buf_size [%d] != read_len[%d]\n", read_len, final_len);
+ WARN("WARN: buf_size [%d] != read_len[%d]\n", read_len, final_len);
return -1;
}
ret = socket_send(fd, (buf+send_len), remain_len);
if (ret < 0) {
- ERROR("socket_send error");
+ ERR("socket_send error");
break;
}
send_len += ret;
}
if (ret < 0) {
- ERROR("socket_send error");
+ ERR("socket_send error");
return -1;
}
uint64_t clear_cmd = 0;
int ret = write(fd, &clear_cmd, sizeof(clear_cmd));
if (ret < 0)
- ERROR("write fail (%d)", ret);
+ ERR("write fail (%d)", ret);
return write(fd, &cmd, sizeof(cmd));
}
return len;
}
+
+// if delete = TRUE, steal client_id, then free(client_id)
+// if delete = FALSE, return client_id pointer, then do no call free(client_id
+static char* __find_client_id(pims_ipc_svc_s *ipc_svc, int client_fd, int delete)
+{
+ char *client_id;
+ GList *cursor = NULL;
+ pims_ipc_client_map_s *client;
+
+ cursor = g_list_first(ipc_svc->client_id_fd_map);
+ while(cursor) {
+ client = cursor->data;
+ if (client && client->fd == client_fd) {
+ client_id = client->id;
+ if (delete) {
+ client->id = NULL;
+ ipc_svc->client_id_fd_map = g_list_delete_link(ipc_svc->client_id_fd_map,
+ cursor);
+ free(client);
+ }
+ return client_id;
+ }
+ cursor = cursor->next;
+ }
+ return NULL;
+}
+
+
+static int __send_identify(int fd, unsigned int seq_no, char *id, int id_len)
+{
+ int total_len, length = 0;
+
+ total_len = sizeof(total_len) + sizeof(id_len) + id_len + sizeof(seq_no);
+
+ char buf[total_len+1];
+ memset(buf, 0x0, total_len+1);
+
+ // total total_len
+ memcpy(buf, &total_len, sizeof(total_len));
+ length += sizeof(total_len);
+
+ // client_id
+ memcpy(buf+length, &id_len, sizeof(id_len));
+ length += sizeof(id_len);
+ memcpy(buf+length, id, id_len);
+ length += id_len;
+
+ // seq_no
+ memcpy(buf+length, &(seq_no), sizeof(seq_no));
+ length += sizeof(seq_no);
+
+ return socket_send(fd, buf, length);
+}
+
+static int __recv_raw_data(int fd, pims_ipc_raw_data_s **data, int *init)
+{
+ int len = 0;
+ pims_ipc_raw_data_s *temp;
+
+ /* read the size of message. note that ioctl is non-blocking */
+ if (ioctl(fd, FIONREAD, &len)) {
+ ERR("ioctl() Fail(%d)", errno);
+ return -1;
+ }
+
+ /* when server or client closed socket */
+ if (len == 0) {
+ INFO("[IPC Socket] connection is closed");
+ return 0;
+ }
+
+ temp = calloc(1, sizeof(pims_ipc_raw_data_s));
+ if (NULL == temp) {
+ ERR("calloc() Fail(%d)", errno);
+ return -1;
+ }
+ temp->client_id = NULL;
+ temp->client_id_len = 0;
+ temp->call_id = NULL;
+ temp->call_id_len = 0;
+ temp->seq_no = 0;
+ temp->has_data = FALSE;
+ temp->data = NULL;
+ temp->data_len = 0;
+
+ int ret = 0;
+ unsigned int read_len = 0;
+ unsigned int total_len = 0;
+ unsigned int has_data = FALSE;
+
+ do {
+ // total length
+ ret = read(fd, &total_len, sizeof(total_len));
+ if (-1 == ret) {
+ ERR("read() Fail(%d)", errno);
+ break;
+ }
+ read_len += ret;
+
+ // client_id
+ ret = read(fd, &(temp->client_id_len), sizeof(temp->client_id_len));
+ if (-1 == ret) {
+ ERR("read() Fail(%d)", errno);
+ break;
+ }
+ read_len += ret;
+
+ temp->client_id = calloc(1, temp->client_id_len+1);
+ ret = socket_recv(fd, (void *)&(temp->client_id), temp->client_id_len);
+ if (-1 == ret) {
+ ERR("socket_recv() Fail");
+ break;
+ }
+ read_len += ret;
+
+ // sequnce no
+ ret = read(fd, &(temp->seq_no), sizeof(temp->seq_no));
+ if (-1 == ret) {
+ ERR("read() Fail(%d)", errno);
+ break;
+ }
+ read_len += ret;
+
+ if (total_len == read_len) {
+ *data = temp;
+ *init = TRUE;
+ return read_len;
+ }
+
+ // call_id
+ ret = read(fd, &(temp->call_id_len), sizeof(temp->call_id_len));
+ if (-1 == ret) {
+ ERR("read() Fail(%d)", errno);
+ break;
+ }
+ read_len += ret;
+
+ temp->call_id = calloc(1, temp->call_id_len+1);
+ ret = socket_recv(fd, (void *)&(temp->call_id), temp->call_id_len);
+ if (-1 == ret) {
+ ERR("socket_recv() Fail");
+ break;
+ }
+ read_len += ret;
+
+ // has_data
+ ret = read(fd, &has_data, sizeof(has_data));
+ if (-1 == ret) {
+ ERR("read() Fail(%d)", errno);
+ break;
+ }
+ read_len += ret;
+
+ // data
+ if (has_data) {
+ temp->has_data = TRUE;
+ ret = read(fd, &(temp->data_len), sizeof(temp->data_len));
+ if (-1 == ret) {
+ ERR("read() Fail(%d)", errno);
+ break;
+ }
+ read_len += ret;
+
+ temp->data = calloc(1, temp->data_len+1);
+ ret = socket_recv(fd, (void *)&(temp->data), temp->data_len);
+ if (-1 == ret) {
+ ERR("socket_recv() Fail");
+ break;
+ }
+ read_len += ret;
+ }
+
+ INFO("client_id : %s, call_id : %s, seq_no : %d", temp->client_id, temp->call_id,
+ temp->seq_no);
+
+ *data = temp;
+ *init = FALSE;
+ }while(0);
+
+ if (ret < 0) {
+ ERR("total_len(%d) client_id_len(%d)", total_len, temp->client_id_len);
+ worker_free_raw_data(temp);
+ *data = NULL;
+ *init = FALSE;
+ return -1;
+ }
+
+ return read_len;
+}
+
+static gboolean __process_init_request(int client_fd, pims_ipc_raw_data_s *req,
+ pims_ipc_svc_s *ipc_svc)
+{
+ int ret;
+ pims_ipc_client_map_s *client;
+
+ client = calloc(1, sizeof(pims_ipc_client_map_s));
+ if (NULL == client) {
+ ERR("calloc() Fail(%d)", errno);
+ return FALSE;
+ }
+ client->fd = client_fd;
+ client->id = req->client_id;
+
+ req->client_id = NULL;
+ ipc_svc->client_id_fd_map = g_list_append(ipc_svc->client_id_fd_map, client);
+
+ worker_start_idle_worker(ipc_svc);
+
+ // send server pid to client
+ char temp[100];
+ snprintf(temp, sizeof(temp), "%x", getpid());
+ ret = __send_identify(client_fd, req->seq_no, temp, strlen(temp));
+
+ worker_free_raw_data(req);
+ if (-1 == ret) {
+ ERR("__send_identify() Fail");
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static gboolean __process_request(int client_fd, pims_ipc_raw_data_s *req,
+ pims_ipc_svc_s *ipc_svc)
+{
+ char *client_id = NULL;
+ pims_ipc_worker_data_s *worker_data;
+
+ client_id = __find_client_id(ipc_svc, client_fd, FALSE);
+ if (NULL == client_id) {
+ ERR("__find_client_id(%d) Fail", client_fd);
+ return FALSE;
+ }
+
+ if (UTILS_STR_EQUAL == strcmp(PIMS_IPC_CALL_ID_CREATE, req->call_id)) {
+ worker_data = worker_get_idle_worker(ipc_svc, client_id);
+ if (NULL == worker_data) {
+ ERR("worker_get_idle_worker() Fail");
+ return FALSE;
+ }
+ if (!worker_data->fd) {
+ int ret = worker_wait_idle_worker_ready(worker_data);
+ if (ret < 0)
+ return FALSE;
+ }
+ } else {
+ worker_data = worker_find(ipc_svc, client_id);
+ }
+
+ if (worker_data) {
+ worker_push_raw_data(worker_data, client_fd, req);
+ write_command(worker_data->fd, 1);
+ } else {
+ ERR("worker_find(%s) Fail[client_fd(%d)]", client_id, client_fd);
+ }
+ return TRUE;
+}
+
+static gboolean __request_handler(GIOChannel *src, GIOCondition condition, gpointer data)
+{
+ int client_fd;
+ char *client_id = NULL;
+ pims_ipc_svc_s *ipc_svc = data;
+
+ RETV_IF(NULL == data, FALSE);
+
+ client_fd = g_io_channel_unix_get_fd(src);
+
+ if (G_IO_HUP & condition) {
+ INFO("client closed ------------------------client_fd : %d", client_fd);
+ close(client_fd);
+
+ // Find client_id
+ client_id = __find_client_id(ipc_svc, client_fd, TRUE);
+ if (client_id) {
+ worker_stop_client_worker(ipc_svc, client_id);
+ free(client_id);
+ }
+
+ return FALSE;
+ }
+
+ // receive data from client
+ int recv_len;
+ int init = FALSE;
+ pims_ipc_raw_data_s *req = NULL;
+
+ recv_len = __recv_raw_data(client_fd, &req, &init);
+ if (0 < recv_len) {
+ if (init)
+ return __process_init_request(client_fd, req, ipc_svc);
+
+ return __process_request(client_fd, req, ipc_svc);
+ }
+ else {
+ ERR("receive invalid : %d", client_fd);
+ close(client_fd);
+ return FALSE;
+ }
+}
+
+
+static gboolean __socket_handler(GIOChannel *src, GIOCondition condition, gpointer data)
+{
+ int sockfd;
+ GIOChannel *channel;
+ int client_sockfd = -1;
+ struct sockaddr_un clientaddr;
+ socklen_t client_len = sizeof(clientaddr);
+ pims_ipc_svc_s *ipc_svc = data;
+
+ sockfd = ipc_svc->sockfd;
+
+ client_sockfd = accept(sockfd, (struct sockaddr *)&clientaddr, &client_len);
+ if (-1 == client_sockfd) {
+ ERR("accept error : %s", strerror(errno));
+ return TRUE;
+ }
+
+ channel = g_io_channel_unix_new(client_sockfd);
+ g_io_add_watch(channel, G_IO_IN|G_IO_HUP, __request_handler, data);
+ g_io_channel_unref(channel);
+
+ return TRUE;
+}
+
+void socket_set_handler(void *user_data)
+{
+ int ret;
+ struct sockaddr_un addr;
+ GIOChannel *gio = NULL;
+ pims_ipc_svc_s *ipc_svc = user_data;
+
+ ret = sd_is_socket_unix(SD_LISTEN_FDS_START, SOCK_STREAM, -1, ipc_svc->service, 0);
+ if (sd_listen_fds(1) == 1 && 0 < ret) {
+ ipc_svc->sockfd = SD_LISTEN_FDS_START;
+ }
+ else {
+ unlink(ipc_svc->service);
+ ipc_svc->sockfd = socket(PF_UNIX, SOCK_STREAM, 0);
+
+ bzero(&addr, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", ipc_svc->service);
+
+ ret = bind(ipc_svc->sockfd, (struct sockaddr *)&addr, sizeof(addr));
+ if (ret != 0)
+ ERR("bind() Fail(%d)", errno);
+ ret = listen(ipc_svc->sockfd, 30);
+
+ ret = chown(ipc_svc->service, getuid(), ipc_svc->group);
+ ret = chmod(ipc_svc->service, ipc_svc->mode);
+ }
+
+ gio = g_io_channel_unix_new(ipc_svc->sockfd);
+
+ g_io_add_watch(gio, G_IO_IN, __socket_handler, ipc_svc);
+}
+
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
-
#ifndef __PIMS_SOCKET_H__
#define __PIMS_SOCKET_H__
-#include <unistd.h>
#include <stdint.h>
-#include <sys/stat.h>
-#include <sys/types.h>
+
+#include "pims-ipc-data-internal.h"
#ifdef __cplusplus
extern "C"
{
#endif
+typedef struct {
+ int client_fd;
+ int request_count;
+ GList *raw_data; // pims_ipc_raw_data_s list
+ pthread_mutex_t raw_data_mutex;
+}pims_ipc_request_s;
+
+typedef struct {
+ int fd;
+ char *id;
+}pims_ipc_client_map_s;
+
int socket_send(int fd, char *buf, int len);
int socket_recv(int fd, void **buf, unsigned int len);
int socket_send_data(int fd, char *buf, unsigned int len);
int write_command(int fd, const uint64_t cmd);
int read_command(int fd, uint64_t *cmd);
+void socket_remove_client_fd_map(pims_ipc_svc_s *ipc_svc);
+void socket_set_handler(void *user_data);
+
#ifdef __cplusplus
}
#endif
projects / framework / pim / pims-ipc.git / commitdiff